29
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* Statement messages to other formats, including SQL strings.
34
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#include <boost/lexical_cast.hpp>
35
#include "drizzled/message/statement_transform.h"
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#include "drizzled/message/transaction.pb.h"
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#include "drizzled/message/table.pb.h"
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#include "drizzled/charset.h"
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#include "drizzled/charset_info.h"
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#include "drizzled/global_charset_info.h"
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#include <drizzled/message/statement_transform.h>
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#include <drizzled/message/transaction.pb.h>
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#include <drizzled/message/table.pb.h>
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#include <drizzled/charset.h>
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#include <drizzled/charset_info.h>
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#include <drizzled/global_charset_info.h>
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const InsertHeader &insert_header= source.insert_header();
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const InsertData &insert_data= source.insert_data();
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size_t num_keys= insert_data.record_size();
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if (num_keys > 1 && ! already_in_transaction)
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sql_strings.push_back("START TRANSACTION");
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for (x= 0; x < num_keys; ++x)
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for (size_t x= 0; x < num_keys; ++x)
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string destination;
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sql_strings.push_back(destination);
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case Statement::ALTER_SCHEMA:
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assert(source.has_alter_schema_statement());
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error= transformAlterSchemaStatementToSql(source.alter_schema_statement(),
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sql_strings.push_back(destination);
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case Statement::SET_VARIABLE:
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assert(source.has_set_variable_statement());
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enum TransformSqlError
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transformAlterSchemaStatementToSql(const AlterSchemaStatement &statement,
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enum TransformSqlVariant sql_variant)
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const Schema &before= statement.before();
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const Schema &after= statement.after();
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/* Make sure we are given the before and after for the same object */
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if (before.uuid() != after.uuid())
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return UUID_MISMATCH;
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char quoted_identifier= '`';
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if (sql_variant == ANSI)
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quoted_identifier= '"';
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destination.append("ALTER SCHEMA ");
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destination.push_back(quoted_identifier);
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destination.append(before.name());
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destination.push_back(quoted_identifier);
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* Diff our schemas. Currently, only collation can change so a
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* diff of the two structures is not really necessary.
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destination.append(" COLLATE = ");
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destination.append(after.collation());
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enum TransformSqlError
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transformDropSchemaStatementToSql(const DropSchemaStatement &statement,
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string &destination,
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enum TransformSqlVariant sql_variant)
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const Schema &schema= statement.schema();
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destination.append("CREATE SCHEMA ", 14);
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destination.append("CREATE SCHEMA ");
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destination.push_back(quoted_identifier);
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destination.append(schema.name());
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destination.push_back(quoted_identifier);
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if (schema.has_collation())
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destination.append(" COLLATE ", 9);
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destination.append(" COLLATE ");
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destination.append(schema.collation());
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if (schema.has_replication_options() and schema.replication_options().has_dont_replicate() and schema.replication_options().dont_replicate())
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destination.append(" REPLICATION = FALSE");
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const TableMetadata &table_metadata= statement.table_metadata();
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destination.append("DROP TABLE ", 11);
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destination.append("DROP TABLE ");
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/* Add the IF EXISTS clause if necessary */
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if (statement.has_if_exists_clause() &&
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statement.if_exists_clause() == true)
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destination.append("IF EXISTS ", 10);
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destination.append("IF EXISTS ");
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destination.push_back(quoted_identifier);
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const FieldMetadata &variable_metadata= statement.variable_metadata();
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bool should_quote_field_value= shouldQuoteFieldValue(variable_metadata.type());
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destination.append("SET GLOBAL ", 11); /* Only global variables are replicated */
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destination.append("SET GLOBAL "); /* Only global variables are replicated */
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destination.append(variable_metadata.name());
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destination.push_back('=');
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if (sql_variant == ANSI)
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quoted_identifier= '"';
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destination.append("CREATE ", 7);
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destination.append("CREATE ");
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if (table.type() == Table::TEMPORARY)
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destination.append("TEMPORARY ", 10);
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destination.append("TEMPORARY ");
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destination.append("TABLE ", 6);
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destination.append("TABLE ");
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append_escaped_string(&destination, table.schema(), quoted_identifier);
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destination.push_back('.');
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append_escaped_string(&destination, table.name(), quoted_identifier);
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destination.append(" (\n", 3);
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destination.append(" (\n");
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enum TransformSqlError result= NONE;
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size_t num_fields= table.field_size();
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size_t num_indexes= table.indexes_size();
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if (num_indexes > 0)
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destination.append(",\n", 2);
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destination.append(",\n");
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for (size_t x= 0; x < num_indexes; ++x)
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const message::Table::Index &index= table.indexes(x);
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destination.append(",\n", 2);
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destination.append(",\n");
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result= transformIndexDefinitionToSql(index, table, destination, sql_variant);
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size_t num_foreign_keys= table.fk_constraint_size();
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if (num_foreign_keys > 0)
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destination.append(",\n", 2);
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destination.append(",\n");
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for (size_t x= 0; x < num_foreign_keys; ++x)
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const message::Table::ForeignKeyConstraint &fkey= table.fk_constraint(x);
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destination.append(",\n", 2);
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destination.append(",\n");
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result= transformForeignKeyConstraintDefinitionToSql(fkey, table, destination, sql_variant);
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destination.append("\n)", 2);
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destination.append("\n)");
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/* Add ENGINE = " clause */
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if (table.has_engine())
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destination.append(" ENGINE=", 8);
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destination.append(" ENGINE=");
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destination.append(table.engine().name());
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size_t num_engine_options= table.engine().options_size();
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const Engine::Option &option= table.engine().options(x);
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destination.append(option.name());
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destination.append("='", 2);
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destination.append("='");
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destination.append(option.state());
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destination.append("'", 1);
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if(x != num_engine_options-1)
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destination.append(", ", 2);
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destination.append("'");
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if (x != num_engine_options-1)
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destination.append(", ");
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if (options.has_comment())
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destination.append(" COMMENT=", 9);
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destination.append(" COMMENT=");
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append_escaped_string(&destination, options.comment());
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if (options.has_collation())
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destination.append(" COLLATE = ", 11);
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destination.append(" COLLATE = ");
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destination.append(options.collation());
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if (options.has_data_file_name())
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destination.append("\nDATA_FILE_NAME = '", 19);
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destination.append("\nDATA_FILE_NAME = '");
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destination.append(options.data_file_name());
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destination.push_back('\'');
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if (options.has_index_file_name())
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destination.append("\nINDEX_FILE_NAME = '", 20);
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destination.append("\nINDEX_FILE_NAME = '");
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destination.append(options.index_file_name());
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destination.push_back('\'');
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if (options.has_max_rows())
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destination.append("\nMAX_ROWS = ", 12);
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destination.append("\nMAX_ROWS = ");
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destination.append(boost::lexical_cast<string>(options.max_rows()));
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if (options.has_min_rows())
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destination.append("\nMIN_ROWS = ", 12);
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destination.append("\nMIN_ROWS = ");
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destination.append(boost::lexical_cast<string>(options.min_rows()));
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if (options.has_user_set_auto_increment_value()
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&& options.has_auto_increment_value())
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destination.append(" AUTO_INCREMENT=", 16);
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destination.append(" AUTO_INCREMENT=");
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destination.append(boost::lexical_cast<string>(options.auto_increment_value()));
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if (options.has_avg_row_length())
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destination.append("\nAVG_ROW_LENGTH = ", 18);
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destination.append("\nAVG_ROW_LENGTH = ");
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destination.append(boost::lexical_cast<string>(options.avg_row_length()));
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if (options.has_checksum() &&
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destination.append("\nCHECKSUM = TRUE", 16);
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if (options.has_page_checksum() &&
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options.page_checksum())
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destination.append("\nPAGE_CHECKSUM = TRUE", 21);
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if (options.has_checksum() && options.checksum())
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destination.append("\nCHECKSUM = TRUE");
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if (options.has_page_checksum() && options.page_checksum())
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destination.append("\nPAGE_CHECKSUM = TRUE");
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if (options.has_dont_replicate() and options.dont_replicate())
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destination.append(" REPLICATION = FALSE");
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destination.append(" ", 2);
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if (index.is_primary())
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destination.append("PRIMARY ", 8);
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destination.append("PRIMARY ");
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else if (index.is_unique())
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destination.append("UNIQUE ", 7);
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destination.append("UNIQUE ");
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destination.append("KEY ", 4);
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if (! (index.is_primary() && index.name().compare("PRIMARY")==0))
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case Table::Index::UNKNOWN_INDEX:
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case Table::Index::BTREE:
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destination.append(" USING BTREE", 12);
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destination.append(" USING BTREE");
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case Table::Index::RTREE:
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destination.append(" USING RTREE", 12);
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destination.append(" USING RTREE");
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case Table::Index::HASH:
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destination.append(" USING HASH", 11);
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destination.append(" USING HASH");
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case Table::Index::FULLTEXT:
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destination.append(" USING FULLTEXT", 15);
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destination.append(" USING FULLTEXT");
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if (index.has_comment())
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destination.append(" COMMENT ", 9);
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destination.append(" COMMENT ");
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append_escaped_string(&destination, index.comment());
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if (sql_variant == ANSI)
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quoted_identifier= '"';
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destination.append(" ", 2);
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destination.append(" ");
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if (fkey.has_name())
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destination.append("CONSTRAINT ", 11);
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destination.append("CONSTRAINT ");
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append_escaped_string(&destination, fkey.name(), quoted_identifier);
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destination.append(" ", 1);
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destination.append("FOREIGN KEY (", 13);
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destination.append("FOREIGN KEY (");
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for (ssize_t x= 0; x < fkey.column_names_size(); ++x)
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quoted_identifier);
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destination.append(") REFERENCES ", 13);
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destination.append(") REFERENCES ");
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append_escaped_string(&destination, fkey.references_table_name(),
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quoted_identifier);
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destination.append(" (", 2);
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destination.append(" (");
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for (ssize_t x= 0; x < fkey.references_columns_size(); ++x)
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if (fkey.has_update_option() and fkey.update_option() != Table::ForeignKeyConstraint::OPTION_UNDEF)
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destination.append(" ON UPDATE ", 11);
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destination.append(" ON UPDATE ");
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transformForeignKeyOptionToSql(fkey.update_option(), destination);
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if (fkey.has_delete_option() and fkey.delete_option() != Table::ForeignKeyConstraint::OPTION_UNDEF)
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destination.append(" ON DELETE ", 11);
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destination.append(" ON DELETE ");
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transformForeignKeyOptionToSql(fkey.delete_option(), destination);
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if (field.string_options().has_collation()
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&& field.string_options().collation().compare("binary") == 0)
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destination.append(" VARBINARY(", 11);
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destination.append(" VARBINARY(");
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destination.append(" VARCHAR(", 9);
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destination.append(" VARCHAR(");
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destination.append(boost::lexical_cast<string>(field.string_options().length()));
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destination.append(")");
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if (field.string_options().has_collation()
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&& field.string_options().collation().compare("binary") == 0)
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destination.append(" BLOB", 5);
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destination.append(" BLOB");
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destination.append(" TEXT", 5);
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destination.append(" TEXT");
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case Table::Field::ENUM:
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size_t num_field_values= field.enumeration_values().field_value_size();
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destination.append(" ENUM(", 6);
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destination.append(" ENUM(");
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for (size_t x= 0; x < num_field_values; ++x)
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const string &type= field.enumeration_values().field_value(x);
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destination.push_back(')');
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case Table::Field::UUID:
1408
destination.append(" UUID");
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case Table::Field::BOOLEAN:
1411
destination.append(" BOOLEAN");
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case Table::Field::INTEGER:
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destination.append(" INT", 4);
1414
destination.append(" INT");
1355
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case Table::Field::BIGINT:
1356
destination.append(" BIGINT", 7);
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if (field.has_constraints() and
1418
field.constraints().is_unsigned())
1420
destination.append(" BIGINT UNSIGNED");
1424
destination.append(" BIGINT");
1358
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case Table::Field::DECIMAL:
1360
destination.append(" DECIMAL(", 9);
1429
destination.append(" DECIMAL(");
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stringstream ss;
1362
1431
ss << field.numeric_options().precision() << ",";
1363
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ss << field.numeric_options().scale() << ")";
1367
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case Table::Field::DATE:
1368
destination.append(" DATE", 5);
1370
case Table::Field::TIMESTAMP:
1371
destination.append(" TIMESTAMP", 10);
1437
destination.append(" DATE");
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case Table::Field::EPOCH:
1441
if (field.time_options().microseconds())
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destination.append(" TIMESTAMP(6)");
1447
destination.append(" TIMESTAMP");
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case Table::Field::DATETIME:
1374
destination.append(" DATETIME", 9);
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if (field.type() == Table::Field::INTEGER ||
1379
field.type() == Table::Field::BIGINT)
1381
if (field.has_constraints() &&
1382
field.constraints().has_is_unsigned() &&
1383
field.constraints().is_unsigned())
1385
destination.append(" UNSIGNED", 9);
1452
destination.append(" DATETIME");
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case Table::Field::TIME:
1455
destination.append(" TIME");
1389
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if (field.type() == Table::Field::BLOB ||
1392
1462
if (field.string_options().has_collation()
1393
1463
&& field.string_options().collation().compare("binary"))
1395
destination.append(" COLLATE ", 9);
1465
destination.append(" COLLATE ");
1396
1466
destination.append(field.string_options().collation());
1400
if (field.has_constraints() &&
1401
! field.constraints().is_nullable())
1403
destination.append(" NOT NULL", 9);
1405
else if (field.type() == Table::Field::TIMESTAMP)
1406
destination.append(" NULL", 5);
1470
if (field.has_constraints() and field.constraints().is_unique())
1472
destination.append(" UNIQUE");
1475
if (field.has_constraints() && field.constraints().is_notnull())
1477
destination.append(" NOT NULL");
1479
else if (field.type() == Table::Field::EPOCH)
1481
destination.append(" NULL");
1408
1484
if (field.type() == Table::Field::INTEGER ||
1409
1485
field.type() == Table::Field::BIGINT)
1412
1488
if (field.has_numeric_options() &&
1413
1489
field.numeric_options().is_autoincrement())
1415
destination.append(" AUTO_INCREMENT", 15);
1491
destination.append(" AUTO_INCREMENT");
1419
1495
if (field.options().has_default_value())
1421
destination.append(" DEFAULT ", 9);
1497
destination.append(" DEFAULT ");
1422
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append_escaped_string(&destination, field.options().default_value());
1424
1500
else if (field.options().has_default_expression())
1426
destination.append(" DEFAULT ", 9);
1502
destination.append(" DEFAULT ");
1427
1503
destination.append(field.options().default_expression());
1429
1505
else if (field.options().has_default_bin_value())
1431
1507
const string &v= field.options().default_bin_value();
1432
1508
if (v.length() == 0)
1433
destination.append(" DEFAULT ''", 11);
1510
destination.append(" DEFAULT ''");
1436
destination.append(" DEFAULT 0x", 11);
1514
destination.append(" DEFAULT 0x");
1437
1515
for (size_t x= 0; x < v.length(); x++)
1446
1524
&& field.options().default_null()
1447
1525
&& field.type() != Table::Field::BLOB)
1449
destination.append(" DEFAULT NULL", 13);
1527
destination.append(" DEFAULT NULL");
1452
1530
if (field.has_options() && field.options().has_update_expression())
1454
destination.append(" ON UPDATE ", 11);
1532
destination.append(" ON UPDATE ");
1455
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destination.append(field.options().update_expression());
1458
1536
if (field.has_comment())
1460
destination.append(" COMMENT ", 9);
1538
destination.append(" COMMENT ");
1461
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append_escaped_string(&destination, field.comment(), quoted_default);
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case DRIZZLE_TYPE_NULL:
1488
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assert(false); /* Not a user definable type */
1489
1567
return Table::Field::INTEGER; /* unreachable */
1568
case DRIZZLE_TYPE_MICROTIME:
1490
1569
case DRIZZLE_TYPE_TIMESTAMP:
1491
return Table::Field::TIMESTAMP;
1570
return Table::Field::EPOCH;
1492
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case DRIZZLE_TYPE_LONGLONG:
1493
1572
return Table::Field::BIGINT;
1494
1573
case DRIZZLE_TYPE_DATETIME:
1495
1574
return Table::Field::DATETIME;
1575
case DRIZZLE_TYPE_TIME:
1576
return Table::Field::TIME;
1496
1577
case DRIZZLE_TYPE_DATE:
1497
1578
return Table::Field::DATE;
1498
1579
case DRIZZLE_TYPE_VARCHAR: