--- /dev/null
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+ Ty Coon, President of Vice
+
+That's all there is to it!
--- /dev/null
+2007-08-29 Helge Hess <helge.hess@opengroupware.org>
+
+ * Changed bundle name from Oracle to Oracle8 to avoid clashes with
+ older adaptors.
+
+2007-07-25 Ludovic Marcotte <ludovic@inverse.ca>
+
+ * Initial version of the SOPE GDL1 Oracle connector which
+ makes use of the new Oracle OCI API. The initial
+ version has been tested extensively with the Inverse
+ edition of SOGo. See the READMe file for all details.
--- /dev/null
+/*
+** EOAttribute+Oracle.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _OracleEOAttribute_H
+#define _OracleEOAttribute_H
+
+#import <GDLAccess/EOAttribute.h>
+
+#include <oci.h>
+
+@interface EOAttribute (OracleExtensions)
+
++ (id) attributeWithOracleType: (ub2) theType
+ name: (text *) theName
+ length: (ub4) theLength
+ width: (ub4) theWidth;
+
+@end
+
+#endif
--- /dev/null
+/*
+** OracleEOAttribute.m
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#import "EOAttribute+Oracle.h"
+
+@implementation EOAttribute (OracleExtensions)
+
++ (id) attributeWithOracleType: (ub2) theType
+ name: (text *) theName
+ length: (ub4) theLength
+ width: (ub4) theWidth
+{
+ EOAttribute *attr;
+ NSString *s;
+
+ attr = [[EOAttribute alloc] init];
+ s = AUTORELEASE([[NSString alloc] initWithBytes: theName length: theLength encoding: NSASCIIStringEncoding]);
+
+ // Oracle returns us the column names using uppercase strings.
+ // We change that to avoid lameness in other parts of GDL.
+ s = [s lowercaseString];
+
+ [attr setName: s];
+ [attr setColumnName: s];
+ [attr setWidth: (unsigned)theWidth];
+
+ switch (theType)
+ {
+ case SQLT_CHR:
+ [attr setExternalType: @"VARCHAR2"];
+ [attr setValueClassName: @"NSString"];
+ break;
+ case SQLT_CLOB:
+ [attr setExternalType: @"CLOB"];
+ [attr setValueClassName: @"NSString"];
+ break;
+ case SQLT_DAT:
+ // char[7] that contains the date and time but no time zone information.
+ [attr setExternalType: @"DATE"];
+ [attr setValueClassName: @"NSDate"];
+ break;
+ case SQLT_INT:
+ [attr setExternalType: @"INTEGER"];
+ [attr setValueClassName: @"NSNumber"];
+ [attr setValueType: @"d"];
+ break;
+ case SQLT_NUM:
+ // char[22]
+ [attr setExternalType: @"NUMBER"];
+ [attr setValueClassName: @"NSNumber"];
+ [attr setValueType: @"d"];
+ break;
+ case SQLT_STR:
+ [attr setExternalType: @"STRING"];
+ [attr setValueClassName: @"NSString"];
+ break;
+ case SQLT_TIMESTAMP:
+ [attr setExternalType: @"TIMESTAMP"];
+ [attr setValueClassName: @"NSCalendarDate"];
+ break;
+ case SQLT_TIMESTAMP_TZ:
+ [attr setExternalType: @"TIMESTAMP WITH TIME ZONE"];
+ [attr setValueClassName: @"NSCalendarDate"];
+ break;
+ case SQLT_TIMESTAMP_LTZ:
+ [attr setExternalType: @"TIMESTAMP WITH LOCAL TIME ZONE"];
+ [attr setValueClassName: @"NSCalendarDate"];
+ break;
+ default:
+ NSLog(@"Unsupported type! %d\n", theType);
+ }
+
+ return AUTORELEASE(attr);
+}
+
+@end
--- /dev/null
+#
+# GNUmakefile
+#
+# Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+#
+# Author: Ludovic Marcotte <ludovic@inverse.ca>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+-include ../../config.make
+include $(GNUSTEP_MAKEFILES)/common.make
+include ../Version
+include ./Version
+
+# Global properties and dependancies
+SOPE_ROOT=../..
+
+ADDITIONAL_INCLUDE_DIRS += -I../GDLAccess -I.. -I/usr/include/oracle/10.2.0.3/client
+
+ifneq ($(frameworks),yes)
+Oracle8_BUNDLE_LIBS += -L/usr/lib/oracle/10.2.0.3/client/lib/ -locci -lociei -lclntsh -lnnz10 -lGDLAccess -lEOControl
+otest_TOOL_LIBS += -L/usr/lib/oracle/10.2.0.3/client/lib/ -locci -lociei -lclntsh -lnnz10 -lGDLAccess -lEOControl
+else
+Oracle8_BUNDLE_LIBS += -L/usr/lib/oracle/10.2.0.3/client/lib/ -locci -lociei -lclntsh -lnnz10 -framework GDLAccess -framework EOControl
+otest_TOOL_LIBS += -L/usr/lib/oracle/10.2.0.3/client/lib/ -locci -lociei -lclntsh -lnnz10 -framework GDLAccess -framework EOControl
+endif
+
+# Bundle
+BUNDLE_NAME = Oracle8
+ifeq ($(frameworks),yes)
+BUNDLE_INSTALL_DIR := $(FRAMEWORK_INSTALL_DIR)/GDLAccess.framework/Resources/GDLAdaptors/
+else
+BUNDLE_INSTALL_DIR = $(GNUSTEP_INSTALLATION_DIR)/Library/GDLAdaptors-$(MAJOR_VERSION).$(MINOR_VERSION)/
+endif
+
+Oracle8_OBJC_FILES = \
+ EOAttribute+Oracle.m \
+ OracleAdaptor.m \
+ OracleAdaptorChannel.m \
+ OracleAdaptorContext.m \
+ OracleSQLExpression.m \
+ OracleValues.m
+
+Oracle8_PRINCIPAL_CLASS = OracleAdaptor
+
+BUNDLE_INSTALL = Oracle8
+BUNDLE_EXTENSION = .gdladaptor
+Oracle8_RESOURCE_FILES += Version
+
+# Tool
+TOOL_NAME = otest
+otest_OBJC_FILES = otest.m
+
+include $(GNUSTEP_MAKEFILES)/bundle.make
+include $(GNUSTEP_MAKEFILES)/tool.make
\ No newline at end of file
--- /dev/null
+/*
+** OracleAdaptor.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _OracleAdaptor_H
+#define _OracleAdaptor_H
+
+#import <Foundation/Foundation.h>
+#import <GDLAccess/EOAdaptor.h>
+
+@interface OracleAdaptor : EOAdaptor
+{
+}
+
+- (NSString *) serverName;
+- (NSString *) loginName;
+- (NSString *) loginPassword;
+- (NSString *) databaseName;
+- (NSString *) port;
+
+@end
+
+#endif
--- /dev/null
+/*
+** OracleAdaptor.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "OracleAdaptor.h"
+
+#import "OracleAdaptorChannel.h"
+#import "OracleAdaptorContext.h"
+#import "OracleSQLExpression.h"
+#import "OracleValues.h"
+
+//
+//
+//
+@interface OracleAdaptor (Private)
+
+- (ub2) typeForName: (NSString *) theName;
+
+@end
+
+@implementation OracleAdaptor (Private)
+
+- (ub2) typeForName: (NSString *) theName
+{
+ ub2 t;
+
+ theName = [theName uppercaseString];
+
+ if ([theName isEqualToString: @"VARCHAR"])
+ {
+ t = SQLT_CHR;
+ }
+ else if ([theName isEqualToString: @"CLOB"])
+ {
+ t = SQLT_CLOB;
+ }
+ else if ([theName isEqualToString: @"DATE"])
+ {
+ t = SQLT_DAT;
+ }
+ else if ([theName isEqualToString: @"INTEGER"])
+ {
+ t = SQLT_INT;
+ }
+ else if ([theName isEqualToString: @"NUMBER"])
+ {
+ t = SQLT_NUM;
+ }
+ else if ([theName isEqualToString: @"STRING"])
+ {
+ t = SQLT_STR;
+ }
+ else if ([theName isEqualToString: @"TIMESTAMP"])
+ {
+ t = SQLT_TIMESTAMP;
+ }
+ else if ([theName isEqualToString: @"TIMESTAMP WITH TIME ZONE"])
+ {
+ t = SQLT_TIMESTAMP_TZ;
+ }
+ else if ([theName isEqualToString: @"TIMESTAMP WITH LOCAL TIME ZONE"])
+ {
+ t = SQLT_TIMESTAMP_LTZ;
+ }
+
+ return t;
+}
+
+@end
+
+
+//
+//
+//
+@implementation OracleAdaptor
+
+- (id) initWithName: (NSString *) theName
+{
+ if ((self = [super initWithName: theName]))
+ {
+ // On Oracle, we must set the NLS_LANG in order to let Oracle perform
+ // charset transformations for us. Since, when we write data to the database
+ // and when we read data from it we assume that we are using UTF-8, we
+ // set NLS_LANG to the proper value.
+ setenv("NLS_LANG", "AMERICAN_AMERICA.UTF8", 1);
+
+ return self;
+ }
+
+ return nil;
+}
+
+//
+//
+//
+- (id) copyWithZone: (NSZone *) theZone
+{
+ return [self retain];
+}
+
+//
+//
+//
+- (Class) adaptorContextClass
+{
+ return [OracleAdaptorContext class];
+}
+
+//
+//
+//
+- (Class) adaptorChannelClass
+{
+ return [OracleAdaptorChannel class];
+}
+
+//
+//
+//
+- (Class) expressionClass
+{
+ return [OracleSQLExpression class];
+}
+
+//
+//
+//
+- (EOAdaptorContext *) createAdaptorContext
+{
+ return AUTORELEASE([[OracleAdaptorContext alloc] initWithAdaptor: self]);
+}
+
+//
+//
+//
+- (NSString *) databaseName
+{
+ return [[self connectionDictionary] objectForKey: @"databaseName"];
+}
+
+//
+//
+//
+- (id) formatValue: (id) theValue forAttribute: (EOAttribute *) theAttribute
+{
+ NSString *s;
+
+ s = [theValue stringValueForOracleType: [self typeForName: [theAttribute externalType]]
+ attribute: theAttribute];
+
+ NSLog(@"Formatted %@ (%@) to %@ (NSString)", theValue, NSStringFromClass([theValue class]), s);
+
+ return s;
+}
+
+//
+// We don't check the values inside the connection
+// dictionary for now.s
+//
+- (BOOL) hasValidConnectionDictionary
+{
+ return ([self connectionDictionary] ? YES : NO);
+}
+
+//
+//
+//
+- (BOOL) isValidQualifierType: (NSString *) theTypeName
+{
+ return YES;
+}
+
+//
+//
+//
+- (NSString *) loginName;
+{
+ return [[self connectionDictionary] objectForKey: @"userName"];
+}
+
+//
+//
+//
+- (NSString *) loginPassword
+{
+ return [[self connectionDictionary] objectForKey: @"password"];
+}
+
+//
+//
+//
+- (NSString *) port
+{
+ return [[self connectionDictionary] objectForKey: @"port"];
+}
+
+//
+//
+//
+- (NSString *) serverName
+{
+ return [[self connectionDictionary] objectForKey: @"hostName"];
+}
+
+@end
--- /dev/null
+/*
+** OracleAdaptorChannel.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _OracleAdaptorChannel_H
+#define _OracleAdaptorChannel_H
+
+#include <oci.h>
+
+#import <GDLAccess/EOAdaptorChannel.h>
+
+#import "../GDLContentStore/EOAdaptorChannel+GCS.h"
+
+@class NSMutableArray;
+
+@interface OracleAdaptorChannel : EOAdaptorChannel <GCSEOAdaptorChannel>
+{
+@private
+ // Oracle's related ivars
+ OCIEnv* _oci_env;
+ OCISvcCtx* _oci_ctx;
+ OCIError* _oci_err;
+ OCIStmt* _current_stm;
+
+ // ...
+ NSMutableArray *_resultSetProperties;
+ NSMutableArray *_row_buffer;
+}
+
+- (OCISvcCtx *) serviceContext;
+- (OCIError *) errorHandle;
+
+@end
+
+#endif
--- /dev/null
+/*
+** OracleAdaptorChannel.m
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#import "OracleAdaptorChannel.h"
+
+#import "OracleAdaptor.h"
+#import "OracleAdaptorContext.h"
+#import "EOAttribute+Oracle.h"
+
+#import <NGExtensions/NSObject+Logs.h>
+
+typedef struct
+{
+ OCIDefine *def; // The define information handle of the column
+ dvoid *value; // The value of the column (the buffer size is max_width bytes)
+ ub2 type; // The type of the column
+ ub2 width; // The current width of the value that has been read
+ sb4 max_width; // The maximum width of the column
+} column_info;
+
+
+//
+//
+//
+@interface OracleAdaptorChannel (Private)
+
+- (void) _cleanup;
+
+@end
+
+@implementation OracleAdaptorChannel (Private)
+
+- (void) _cleanup
+{
+ column_info *info;
+ int c;
+
+ [_resultSetProperties removeAllObjects];
+
+ c = [_row_buffer count];
+
+ while (c--)
+ {
+ info = [[_row_buffer objectAtIndex: c] pointerValue];
+ [_row_buffer removeObjectAtIndex: c];
+
+ free(info->value);
+ free(info);
+ }
+
+ OCIHandleFree(_current_stm, OCI_HTYPE_STMT);
+ _current_stm = (OCIStmt *)0;
+}
+
+@end
+
+
+//
+//
+//
+@implementation OracleAdaptorChannel
+
+- (id) initWithAdaptorContext: (EOAdaptorContext *) theAdaptorContext
+{
+ if ((self = [super initWithAdaptorContext: theAdaptorContext]))
+ {
+ _resultSetProperties = [[NSMutableArray alloc] init];
+ _row_buffer = [[NSMutableArray alloc] init];
+
+ _oci_env = (OCIEnv *)0;
+ _oci_err = (OCIError *)0;
+ _current_stm = (OCIStmt *)0;
+ return self;
+ }
+
+ return nil;
+}
+
+//
+//
+//
+- (id) copyWithZone: (NSZone *) theZone
+{
+ return [self retain];
+}
+
+//
+//
+//
+- (void) cancelFetch
+{
+ // Oracle's doc says: "If you call OCIStmtFetch2() with the nrows parameter set to 0, this cancels the cursor."
+ if (OCIStmtFetch2(_current_stm, _oci_err, (ub4)0, (ub4)OCI_FETCH_NEXT, (sb4)0, (ub4)OCI_DEFAULT))
+ {
+ [self logWithFormat: @"Fetch cancellation failed"];
+ }
+
+ [self _cleanup];
+ [super cancelFetch];
+}
+
+//
+//
+//
+- (void) closeChannel
+{
+ if ([self isOpen])
+ {
+ [super closeChannel];
+
+ // We logoff from the database.
+ if (OCILogoff(_oci_ctx, _oci_err))
+ {
+ [self logWithFormat: @"FAILED: OCILogoff()"];
+ }
+ }
+}
+
+//
+//
+//
+- (void) dealloc
+{
+ //NSLog(@"OracleAdaptorChannel: -dealloc");
+
+ [self _cleanup];
+
+ RELEASE(_resultSetProperties);
+
+ OCIHandleFree(_oci_ctx, OCI_HTYPE_SVCCTX);
+ OCIHandleFree(_oci_err, OCI_HTYPE_ERROR);
+ OCIHandleFree(_oci_env, OCI_HTYPE_ENV);
+
+ [super dealloc];
+}
+
+//
+// TODO later
+//
+- (EOModel*) describeModelWithTableNames: (NSArray *) theTableNames
+{
+ return nil;
+}
+
+//
+// TODO later
+//
+- (NSArray *) describeTableNames
+{
+ return nil;
+}
+
+//
+// This breaks EOF 4.5 support.
+//
+- (NSArray *) describeResults: (BOOL) theBOOL
+{
+ return [NSArray arrayWithArray: _resultSetProperties];
+}
+
+//
+// This breaks EOF 4.5 support.
+//
+// We must: 1. send the database request
+// 2. process the results
+// 3. call -adaptorChannel:didEvaluateExpression:
+//
+- (BOOL) evaluateExpression: (NSString *) theExpression
+{
+ EOAttribute *attribute;
+ OCIParam *param;
+
+ column_info *info;
+ ub4 i, clen, count;
+ text *sql, *cname;
+ sword status;
+ ub2 type;
+
+ [self _cleanup];
+
+ if (!theExpression || ![theExpression length])
+ {
+ [NSException raise: @"OracleInvalidExpressionException"
+ format: @"Passed an invalid (nil or length == 0) SQL expression"];
+ }
+
+ if (![self isOpen])
+ {
+ [NSException raise: @"OracleChannelNotOpenException"
+ format: @"Called -evaluateExpression: prior to -openChannel"];
+ }
+
+ sql = (text *)[theExpression UTF8String];
+
+ // We alloc our statement handle
+ if (OCIHandleAlloc((dvoid *)_oci_env, (dvoid **)&_current_stm, (ub4)OCI_HTYPE_STMT, (CONST size_t) 0, (dvoid **) 0))
+ {
+ [self logWithFormat: @"Can't allocate statement."];
+ return NO;
+ }
+
+ // We prepare our statement
+ if (OCIStmtPrepare(_current_stm, _oci_err, sql, strlen((const char *)sql), OCI_NTV_SYNTAX, OCI_DEFAULT))
+ {
+ [self logWithFormat: @"Prepare failed: OCI_ERROR"];
+ return NO;
+ }
+
+ // We check if we're doing a SELECT and if so, we're fetching data!
+ OCIAttrGet(_current_stm, OCI_HTYPE_STMT, &type, 0, OCI_ATTR_STMT_TYPE, _oci_err);
+ self->isFetchInProgress = (type == OCI_STMT_SELECT ? YES : NO);
+
+ // We execute our statement. Not that we _MUST_ set iter to 0 for non-SELECT statements.
+ if (OCIStmtExecute(_oci_ctx, _current_stm, _oci_err, (self->isFetchInProgress ? (ub4)0 : (ub4)1), (ub4)0, (CONST OCISnapshot *)NULL, (OCISnapshot *)NULL,
+ ([(OracleAdaptorContext *)[self adaptorContext] autoCommit] ? OCI_COMMIT_ON_SUCCESS :OCI_DEFAULT)))
+ {
+ [self logWithFormat: @"Statement execute failed (OCI_ERROR): %@", theExpression];
+ return NO;
+ }
+
+ // We check the number of params (ie., columns)
+ if (OCIAttrGet((dvoid *)_current_stm, OCI_HTYPE_STMT, (dvoid *)&count, (ub4 *)0, OCI_ATTR_PARAM_COUNT, _oci_err))
+ {
+ [self logWithFormat: @"Attribute get failed (OCI_ERROR): %@", theExpression];
+ return NO;
+ }
+
+ // We decode the columns' types
+ for (i = 1; i < count+1; i++)
+ {
+ // We alloc our info structure. This will hold the values being
+ // read when we fetch data from the result set.
+ info = (void *)malloc(sizeof(column_info));
+
+ // We fetch the parameter
+ status = OCIParamGet((dvoid *)_current_stm, OCI_HTYPE_STMT, _oci_err, (dvoid **)¶m, (ub4)i);
+
+ // We get the param's type
+ status = OCIAttrGet((dvoid*)param, (ub4)OCI_DTYPE_PARAM, (dvoid*)&(info->type), (ub4 *)0, (ub4)OCI_ATTR_DATA_TYPE, (OCIError *)_oci_err);
+
+ // We read the column's name (name of the param) and name's length
+ clen = 0;
+ status = OCIAttrGet((dvoid*)param, (ub4)OCI_DTYPE_PARAM, (dvoid**)&cname, (ub4 *)&clen, (ub4)OCI_ATTR_NAME, (OCIError *)_oci_err);
+
+ // We read the maximum width of a column
+ info->max_width = 0;
+ status = OCIAttrGet((dvoid*)param, (ub4)OCI_DTYPE_PARAM, (dvoid*)&(info->max_width), (ub4 *)0, (ub4)OCI_ATTR_DATA_SIZE, (OCIError *)_oci_err);
+
+ attribute = [EOAttribute attributeWithOracleType: info->type name: cname length: clen width: info->max_width];
+ [_resultSetProperties addObject: attribute];
+
+ // We now must bind our column name with a buffer in which we'll read into
+ info->value = calloc(info->max_width, 1);
+
+ //
+ // Oracle's doc says: "SQLT_CHAR and SQLT_LNG can be specified for CLOB columns, and SQLT_BIN sand SQLT_LBI for BLOB columns."
+ // Also, for LOB, it says: "The bind of more than 4 kilobytes of data to a LOB column uses space from the temporary tablespace."
+ //
+ // For now, we read - SQLT_CLOB as SQLT_CHR
+ // - SQLT_NUM as SQLT_INT
+ //
+ switch (info->type)
+ {
+ case SQLT_CLOB:
+ type = SQLT_CHR;
+ break;
+
+ case SQLT_NUM:
+ type = SQLT_INT;
+ info->max_width = 4;
+ break;
+
+ default:
+ type = info->type;
+ }
+
+ //
+ // Oracle's documentation says:"For a LOB, the buffer pointer must be a pointer to a LOB locator of type OCILobLocator.
+ // Give the address of the pointer."
+ //
+ info->def = (OCIDefine*)0;
+
+ if ((status = OCIDefineByPos(_current_stm, &(info->def), _oci_err, i, (dvoid *)info->value, info->max_width, type,
+ (dvoid *)0, (ub2 *)&(info->width), (ub2 *)0, OCI_DEFAULT)))
+ {
+ NSLog(@"OCIDefineByPos FAILED");
+ abort();
+ }
+
+ [_row_buffer addObject: [NSValue valueWithPointer: info]];
+
+ // We free up our param handle.
+ OCIHandleFree((dvoid*)param, OCI_HTYPE_STMT);
+ }
+
+ return YES;
+}
+
+//
+//
+//
+- (OCIError *) errorHandle
+{
+ return _oci_err;
+}
+
+//
+//
+//
+- (BOOL) isOpen
+{
+ return (_oci_env ? YES : NO);
+}
+
+//
+// This breaks EOF 4.5 support.
+//
+- (BOOL) openChannel
+{
+ OracleAdaptor *o;
+
+ const char *username, *password, *database;
+
+ if (![super openChannel] || [self isOpen])
+ {
+ return NO;
+ }
+
+ // We Initialize the OCI process environment.
+ if (OCIInitialize((ub4)OCI_DEFAULT, (dvoid *)0,
+ (dvoid * (*)(dvoid *, size_t)) 0,
+ (dvoid * (*)(dvoid *, dvoid *, size_t))0,
+ (void (*)(dvoid *, dvoid *)) 0 ))
+ {
+ [self logWithFormat: @"FAILED: OCIInitialize()"];
+ return NO;
+ }
+
+ if (OCIEnvInit((OCIEnv **)&_oci_env, (ub4)OCI_DEFAULT, (size_t)0, (dvoid **)0))
+ {
+ [self logWithFormat: @"FAILED: OCIEnvInit()"];
+ return NO;
+ }
+
+ if (OCIHandleAlloc((dvoid *)_oci_env, (dvoid *)&_oci_err, (ub4)OCI_HTYPE_ERROR, (size_t)0, (dvoid **)0))
+ {
+ [self logWithFormat: @"FAILED: OCIHandleAlloc() on errhp"];
+ return NO;
+ }
+
+ o = (OracleAdaptor *)[[self adaptorContext] adaptor];
+ username = [[o loginName] UTF8String];
+ password = [[o loginPassword] UTF8String];
+
+ // Under Oracle 10g, the third parameter of OCILogon() has the form: [//]host[:port][/service_name]
+ // See http://download-west.oracle.com/docs/cd/B12037_01/network.101/b10775/naming.htm#i498306 for
+ // all juicy details.
+ database = [[NSString stringWithFormat:@"%@:%@", [o serverName], [o port]] UTF8String];
+
+ // We logon to the database.
+ if (OCILogon(_oci_env, _oci_err, &_oci_ctx, (const OraText*)username, strlen(username),
+ (const OraText*)password, strlen(password), (const OraText*)database, strlen(database)))
+ {
+ [self logWithFormat: @"FAILED: OCILogon(). username = %s password = %s"
+ @" database = %s", username, password, database];
+ return NO;
+ }
+
+ return YES;
+}
+
+//
+// We map the attributes to the values.
+//
+// For now, we ignore the passed attributes and we initialize the full row.
+//
+- (NSMutableDictionary *) primaryFetchAttributes: (NSArray *) theAttributes
+ withZone: (NSZone *) theZone
+{
+ sword status;
+
+ status = OCIStmtFetch2(_current_stm, _oci_err, (ub4)1, (ub4)OCI_FETCH_NEXT, (sb4)0, (ub4)OCI_DEFAULT);
+
+ if (status == OCI_NO_DATA)
+ {
+ //NSLog(@"No DATA!");
+ self->isFetchInProgress = NO;
+ }
+ else
+ {
+ NSMutableDictionary *row;
+ column_info *info;
+ int i, c;
+ id o;
+
+ c = [_resultSetProperties count];
+ row = [NSMutableDictionary dictionaryWithCapacity: c];
+
+ // We decode all column values we got in our result set
+ for (i = 0; i < c; i++)
+ {
+ info = [[_row_buffer objectAtIndex: i] pointerValue];
+
+ //NSLog(@"========== NEW COLUMN ==============");
+ //NSLog(@"Read type %d, width %d at %d", info->type, info->width, info->value);
+ o = nil;
+
+ // On Oracle, if we've read a lenght of 0, it means that we got a NULL.
+ if (info->width == 0)
+ {
+ o = [NSNull null];
+ }
+ else
+ {
+ switch (info->type)
+ {
+ case SQLT_CHR:
+ case SQLT_CLOB:
+ case SQLT_STR:
+ o = AUTORELEASE([[NSString alloc] initWithBytes: info->value length: info->width encoding: NSUTF8StringEncoding]);
+ break;
+
+ case SQLT_DAT:
+ {
+ signed char *buf;
+
+ buf = (signed char*)info->value;
+ o = [NSCalendarDate dateWithYear: (buf[0]-100)*100+buf[1]-100
+ month: buf[2]
+ day: buf[3]
+ hour: buf[4]-1
+ minute: buf[5]-1
+ second: buf[6]-1
+ timeZone: [NSTimeZone timeZoneWithAbbreviation:@"GMT"]];
+
+ }
+ break;
+
+ case SQLT_INT:
+ case SQLT_NUM:
+ switch (info->width)
+ {
+ case 1:
+ o = [NSNumber numberWithChar: *(char*)(info->value)];
+ break;
+ case 2:
+ o = [NSNumber numberWithShort: *(short*)(info->value)];
+ break;
+ case 8:
+ o = [NSNumber numberWithLongLong: *(long long*)(info->value)];
+ break;
+ case 4:
+ default:
+ o = [NSNumber numberWithInt: *(int*)(info->value)];
+ break;
+ }
+ break;
+
+ case SQLT_TIMESTAMP:
+ case SQLT_TIMESTAMP_TZ:
+ case SQLT_TIMESTAMP_LTZ:
+ {
+ // FIXME implement
+ //o = [NSDate date];
+ }
+ break;
+
+ default:
+ NSLog(@"Unknown type! %d", info->type);
+ }
+ }
+
+ if (!o) o = [NSNull null];
+ [row setObject: o forKey: [[_resultSetProperties objectAtIndex: i] name]];
+ }
+
+ return row;
+ }
+
+ return nil;
+}
+
+//
+// TODO later
+//
+#if 0
+- (NSDictionary *) primaryKeyForNewRowWithEntity: (EOEntity *) theEntity
+{
+
+}
+#endif
+
+//
+// TODO later
+//
+#if 0
+- (BOOL) readTypesForEntity: (EOEntity *) theEntity
+{
+ return NO;
+}
+#endif
+
+//
+// TODO later
+//
+#if 0
+- (BOOL) readTypeForAttribute: (EOAttribute *) theAttribute
+{
+ return NO;
+}
+#endif
+
+//
+//
+//
+- (OCISvcCtx *) serviceContext
+{
+ return _oci_ctx;
+}
+
+/* GCSEOAdaptorChannel protocol */
+static NSString *sqlFolderFormat = (@"CREATE TABLE %@ (\n" \
+ @" c_name VARCHAR2 (256) NOT NULL,\n"
+ @" c_content CLOB NOT NULL,\n"
+ @" c_creationdate INTEGER NOT NULL,\n"
+ @" c_lastmodified INTEGER NOT NULL,\n"
+ @" c_version INTEGER NOT NULL,\n"
+ @" c_deleted INTEGER NOT NULL\n"
+ @")");
+static NSString *sqlFolderACLFormat = (@"CREATE TABLE %@ (\n" \
+ @" c_uid VARCHAR (256) NOT NULL,\n"
+ @" c_object VARCHAR (256) NOT NULL,\n"
+ @" c_role VARCHAR (80) NOT NULL\n"
+ @")");
+
+- (NSException *) createGCSFolderTableWithName: (NSString *) tableName
+{
+ NSString *sql;
+
+ sql = [NSString stringWithFormat: sqlFolderFormat, tableName];
+
+ return [self evaluateExpressionX: sql];
+}
+
+- (NSException *) createGCSFolderACLTableWithName: (NSString *) tableName
+{
+ NSString *sql;
+
+ sql = [NSString stringWithFormat: sqlFolderACLFormat, tableName];
+
+ return [self evaluateExpressionX: sql];
+}
+
+@end
--- /dev/null
+/*
+** OracleAdaptorContext.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _OracleAdaptorContext_H
+#define _OracleAdaptorContext_H
+
+#import <Foundation/Foundation.h>
+#import <GDLAccess/EOAdaptorContext.h>
+
+@interface OracleAdaptorContext : EOAdaptorContext
+{
+ @private
+ BOOL _autocommit;
+}
+
+- (BOOL) autoCommit;
+- (void) setAutoCommit: (BOOL) theBOOL;
+
+@end
+
+#endif
--- /dev/null
+/*
+** OracleAdaptorContext.m
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#import "OracleAdaptorContext.h"
+
+#import "OracleAdaptorChannel.h"
+
+#define DEFAULT_TRANSACTION_TIMEOUT 60
+
+//
+//
+//
+@implementation OracleAdaptorContext
+
+- (id) copyWithZone: (NSZone *) theZone
+{
+ return [self retain];
+}
+
+//
+//
+//
+- (BOOL) canNestTransactions
+{
+ return NO;
+}
+
+//
+//
+//
+- (void) channelDidInit: (id) theChannel
+{
+ if ([[self channels] count] > 0)
+ {
+ [NSException raise: @"OracleContextException"
+ format: @"Channel already initiated for the actual context"];
+ }
+
+ [super channelDidInit: theChannel];
+}
+
+//
+//
+//
+- (EOAdaptorChannel *) createAdaptorChannel
+{
+ return AUTORELEASE([[OracleAdaptorChannel alloc] initWithAdaptorContext: self]);
+}
+
+//
+//
+//
+- (id) initWithAdaptor: (EOAdaptor *) theAdaptor
+{
+ self = [super initWithAdaptor: theAdaptor];
+
+ _autocommit = YES;
+
+ return self;
+}
+
+//
+//
+//
+- (BOOL) primaryBeginTransaction
+{
+ id o;
+
+ o = [[self channels] lastObject];
+
+ return (OCITransStart([o serviceContext], [o errorHandle], (uword)DEFAULT_TRANSACTION_TIMEOUT, OCI_TRANS_NEW) == OCI_ERROR ? NO : YES);
+}
+
+//
+//
+//
+- (BOOL) primaryCommitTransaction
+{
+ id o;
+
+ o = [[self channels] lastObject];
+
+ return (OCITransCommit([o serviceContext], [o errorHandle], OCI_DEFAULT) == OCI_ERROR ? NO : YES);
+}
+
+//
+//
+//
+- (BOOL) primaryRollbackTransaction
+{
+ id o;
+
+ o = [[self channels] lastObject];
+
+ return (OCITransRollback([o serviceContext], [o errorHandle], OCI_DEFAULT) == OCI_ERROR ? NO : YES);
+}
+
+//
+//
+//
+- (BOOL) autoCommit
+{
+ return _autocommit;
+}
+
+//
+//
+//
+- (void) setAutoCommit: (BOOL) theBOOL
+{
+ _autocommit = theBOOL;
+}
+
+@end
--- /dev/null
+/*
+** OracleSQLExpression.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _OracleSQLExpression_H
+#define _OracleSQLExpression_H
+
+#import <Foundation/Foundation.h>
+#import <GDLAccess/EOSQLExpression.h>
+
+@interface OracleSQLExpression : EOSQLExpression
+{
+}
+
+@end
+
+#endif
--- /dev/null
+/*
+** OracleSQLExpression.m
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#import "OracleSQLExpression.h"
+
+@implementation OracleSQLExpression
+
+@end
--- /dev/null
+/*
+** OracleValues.h
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _OracleValues_H
+#define _OracleValues_H
+
+#import <Foundation/Foundation.h>
+#import <GDLAccess/EOAttribute.h>
+
+#include <oci.h>
+
+@interface NSNumber (OracleExtensions)
+
+- (NSString *) stringValueForOracleType: (ub2) theType
+ attribute: (EOAttribute *) theAttribute;
+@end
+
+@interface NSString (OracleExtensions)
+
+- (NSString *) stringValueForOracleType: (ub2) theType
+ attribute: (EOAttribute *) theAttribute;
+@end
+
+#endif
--- /dev/null
+/*
+** OracleValues.m
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "OracleValues.h"
+
+//
+//
+//
+@implementation NSNumber (OracleExtensions)
+
+- (NSString *) stringValueForOracleType: (ub2) theType
+ attribute: (EOAttribute *) theAttribute
+{
+ return [self stringValue];
+}
+
+@end
+
+//
+//
+//
+@implementation NSString (OracleExtensions)
+
+- (NSString *) stringValueForOracleType: (ub2) theType
+ attribute: (EOAttribute *) theAttribute
+{
+ return self;
+}
+
+@end
--- /dev/null
+Oracle 10g GDL Adaptor
+Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+====================================================================
+
+This adaptor allows you to use an Oracle 10g (or above/below) server togeter
+with GDL. It makes use of the new OCI API from Oracle. In order to compile
+and use this adaptor, you must install the Oracle Instant Client.
+
+For Linux-based operating systems, please refer to the following page
+for installation instructions:
+
+http://www.oracle.com/technology/software/tech/oci/instantclient/htdocs/linuxsoft.html
+
+You'll have to install the following packages from Oracle:
+
+ * oracle-instantclient-basic
+ * oracle-instantclient-devel
+
+Once you've installed the requirements, follow the installation and configuration
+instructions to get the adaptor working.
+
+
+Installation and Configuration
+==============================
+
+1- Based on where you've installed the Oracle dependancies, modify the
+ GNUmakefile so gnustep-make can fin the location of Oracle's headers
+ and client librairies.
+
+2- Compile and install the adaptor:
+ % make
+ % make install
+
+
+Testing the Oracle Adaptor
+==========================
+
+The adaptor comes with a simple testing tool called 'otest'.
+
+To try it, first modify the database connection parameters specified in the
+'condict.plist' file.
+
+Then, simply run the tool:
+
+% ./obj/otest
+
+This will do a simple "SELECT * FROM all_tables"
+
+
+Current limitations
+===================
+
+The adaptor currently supports only the following data types:
+
+ - CLOB
+ - DATE
+ - INTEGER
+ - NUMBER
+ - STRING
+ - VARCHAR2
+
+CLOB are read as strings.
+
+The adaptor does not yet support the EOModel kungfu. The following
+improvements are also coming soon:
+
+ - primary key generation support
+ - schema selection support
+ - delegate calls, when required
+ - more datatypes support
--- /dev/null
+# Version file
+
+SUBMINOR_VERSION:=2
--- /dev/null
+{
+ hostName = "oracle";
+ userName = "focus";
+ password = "focusrocks";
+ databaseName = "oracle";
+ port = 1521;
+}
--- /dev/null
+/*
+** otest.m
+**
+** Copyright (c) 2007 Inverse groupe conseil inc. and Ludovic Marcotte
+**
+** Author: Ludovic Marcotte <ludovic@inverse.ca>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#import <Foundation/Foundation.h>
+#import <GDLAccess/GDLAccess.h>
+
+//
+//
+//
+void evaluate(EOAdaptorChannel *c, NSString *s)
+{
+ NSLog(@"Evaluating:\t%@",s);
+ if ([c evaluateExpression: s])
+ {
+ NSDictionary *record;
+ NSArray *attributes;
+
+ attributes = [c describeResults];
+ NSLog(@"attributes = %@", [attributes description]);
+
+ while ((record = [c fetchAttributes: attributes withZone: NULL]))
+ {
+ NSLog(@"record = %@", record);
+ }
+ }
+}
+
+//
+//
+//
+int main (int argc, char **argv, char **env)
+{
+ NSAutoreleasePool *pool;
+
+ EOAdaptorChannel *channel;
+ EOAdaptorContext *ctx;
+ EOAdaptor *adaptor;
+
+ pool = [[NSAutoreleasePool alloc] init];
+ [NSProcessInfo initializeWithArguments: argv count: argc environment: env];
+
+ adaptor = [EOAdaptor adaptorWithName: @"Oracle"];
+ [adaptor setConnectionDictionary: [NSDictionary dictionaryWithContentsOfFile: @"condict.plist"]];
+ ctx = [adaptor createAdaptorContext];
+ channel = [ctx createAdaptorChannel];
+
+ [channel openChannel];
+ [ctx beginTransaction];
+
+ //evaluate(channel, @"SELECT * FROM all_tables");
+ evaluate(channel, @"SELECT COUNT(*) FROM all_tables");
+ evaluate(channel, @"SELECT 1 FROM dual");
+ evaluate(channel, @"SELECT sysdate FROM dual");
+
+ [ctx commitTransaction];
+ [channel closeChannel];
+ [pool release];
+
+ return 0;
+}
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