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Mirko Viviani
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126
EOAccess/EOSchemaGeneration.h
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EOAccess/EOSchemaGeneration.h
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/*
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EOSchemaGeneration.h
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Copyright (C) 2004 Free Software Foundation, Inc.
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Author: Mirko Viviani <mirko.viviani@e-cremona.it>
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Date: April 2004
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This file is part of the GNUstep Database Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __EOSchemaGeneration_h__
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#define __EOSchemaGeneration_h__
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#include <EOAccess/EOSQLExpression.h>
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@interface EOSQLExpression (EOSchemaGeneration)
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/** Generates the statements to create a database **/
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+ (NSArray *)createDatabaseStatementsForConnectionDictionary:(NSDictionary *)connectionDictionary administrativeConnectionDictionary:(NSDictionary *)administrativeConnectionDictionary;
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/** Generates the statements to drop the database **/
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+ (NSArray *)dropDatabaseStatementsForConnectionDictionary:(NSDictionary *)connectionDictionary administrativeConnectionDictionary:(NSDictionary *)administrativeConnectionDictionary;
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/** Generates the statements necessary to implement the schema generation for
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an entityGroup like creating/dropping a table, a primary key constaint or
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a primary key generation support such as a sequence. **/
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+ (NSArray *)createTableStatementsForEntityGroup: (NSArray *)entityGroup;
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+ (NSArray *)dropTableStatementsForEntityGroup: (NSArray *)entityGroup;
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+ (NSArray *)primaryKeyConstraintStatementsForEntityGroup: (NSArray *)entityGroup;
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+ (NSArray *)primaryKeySupportStatementsForEntityGroup: (NSArray *)entityGroup;
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+ (NSArray *)dropPrimaryKeySupportStatementsForEntityGroup: (NSArray *)entityGroup;
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/** Generates statements to create/drop a specific schema generation for a
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list of entityGroups. **/
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+ (NSArray *)createTableStatementsForEntityGroups: (NSArray *)entityGroups;
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+ (NSArray *)dropTableStatementsForEntityGroups: (NSArray *)entityGroups;
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+ (NSArray *)primaryKeyConstraintStatementsForEntityGroups: (NSArray *)entityGroups;
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+ (NSArray *)primaryKeySupportStatementsForEntityGroups: (NSArray *)entityGroups;
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+ (NSArray *)dropPrimaryKeySupportStatementsForEntityGroups: (NSArray *)entityGroups;
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/** The default implementation verifies the relationship joins and calls
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+prepareConstraintStatementForRelationship:sourceColumns:destinationColumns:
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**/
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+ (NSArray *)foreignKeyConstraintStatementsForRelationship: (EORelationship *)relationship;
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/** Assembles an adaptor specific string for using in a create table
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statement. **/
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- (NSString *)columnTypeStringForAttribute: (EOAttribute *)attribute;
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/** Generates a string to be used in a create table statement **/
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- (NSString *)allowsNullClauseForConstraint: (BOOL)allowsNull;
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/** Assembles the create table statement for the given attribute **/
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- (void)addCreateClauseForAttribute: (EOAttribute *)attribute;
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/** Assembles an adaptor specific constraint statement for relationship and the
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given source and destination columns **/
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- (void)prepareConstraintStatementForRelationship: (EORelationship *)relationship
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sourceColumns: (NSArray *)sourceColumns
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destinationColumns: (NSArray *)destinationColumns;
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/** Append expression statement to an executable script.
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The default implementation appends the ';' **/
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+ (void)appendExpression:(EOSQLExpression *)expression toScript:(NSMutableString *)script;
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/** Returns a script to create the schema for the given entities specific for
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the target db. Options are the same as
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-schemaCreationStatementsForEntities:options: **/
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+ (NSString *)schemaCreationScriptForEntities:(NSArray *)entities
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options:(NSDictionary *)options;
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/** Returns an array of EOSQLExpression suitable to create the schema for the
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given entities specific for the target db.
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Possible options are:
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Name Value Default
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createTables YES/NO YES
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dropTables YES/NO YES
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createPrimaryKeySupport YES/NO YES
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dropPrimaryKeySupport YES/NO YES
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primaryKeyConstraints YES/NO YES
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foreignKeyConstraints YES/NO NO
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createDatabase YES/NO NO
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dropDatabase YES/NO NO
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**/
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+ (NSArray *)schemaCreationStatementsForEntities: (NSArray *)entities
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options: (NSDictionary *)options;
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+ (EOSQLExpression *)selectStatementForContainerOptions;
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@end
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/** Keys to use the options dictionary for
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+schemaCreationScriptForEntities:options:
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and +schemaCreationStatementsForEntities:options: **/
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GDL2ACCESS_EXPORT NSString *EOCreateTablesKey;
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GDL2ACCESS_EXPORT NSString *EODropTablesKey;
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GDL2ACCESS_EXPORT NSString *EOCreatePrimaryKeySupportKey;
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GDL2ACCESS_EXPORT NSString *EODropPrimaryKeySupportKey;
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GDL2ACCESS_EXPORT NSString *EOPrimaryKeyConstraintsKey;
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GDL2ACCESS_EXPORT NSString *EOForeignKeyConstraintsKey;
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GDL2ACCESS_EXPORT NSString *EOCreateDatabaseKey;
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GDL2ACCESS_EXPORT NSString *EODropDatabaseKey;
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#endif
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