29
29
* Statement messages to other formats, including SQL strings.
34
#include <boost/lexical_cast.hpp>
35
#include <drizzled/message/statement_transform.h>
36
#include <drizzled/message/transaction.pb.h>
37
#include <drizzled/message/table.pb.h>
38
#include <drizzled/charset.h>
39
#include <drizzled/charset_info.h>
40
#include <drizzled/global_charset_info.h>
34
#include "drizzled/message/statement_transform.h"
35
#include "drizzled/message/transaction.pb.h"
36
#include "drizzled/message/table.pb.h"
37
#include "drizzled/charset.h"
38
#include "drizzled/charset_info.h"
39
#include "drizzled/global_charset_info.h"
422
389
if (should_quote_field_value)
423
390
destination.push_back('\'');
425
if (record.is_null(x))
392
if (field_metadata.type() == Table::Field::BLOB)
427
destination.append("NULL");
395
* We do this here because BLOB data is returned
396
* in a string correctly, but calling append()
397
* without a length will result in only the string
398
* up to a \0 being output here.
400
string raw_data(record.insert_value(x));
401
destination.append(raw_data.c_str(), raw_data.size());
431
if (field_metadata.type() == Table::Field::BLOB)
434
* We do this here because BLOB data is returned
435
* in a string correctly, but calling append()
436
* without a length will result in only the string
437
* up to a \0 being output here.
439
string raw_data(record.insert_value(x));
440
destination.append(raw_data.c_str(), raw_data.size());
444
string tmp(record.insert_value(x));
445
escapeEmbeddedQuotes(tmp);
446
destination.append(tmp);
405
if (record.is_null(x))
407
destination.append("NULL");
411
destination.append(record.insert_value(x));
450
415
if (should_quote_field_value)
585
548
if (should_quote_field_value)
586
549
destination.push_back('\'');
588
if (record.is_null(x))
551
if (field_metadata.type() == Table::Field::BLOB)
590
destination.append("NULL");
554
* We do this here because BLOB data is returned
555
* in a string correctly, but calling append()
556
* without a length will result in only the string
557
* up to a \0 being output here.
559
string raw_data(record.after_value(x));
560
destination.append(raw_data.c_str(), raw_data.size());
594
if (field_metadata.type() == Table::Field::BLOB)
564
if (record.is_null(x))
597
* We do this here because BLOB data is returned
598
* in a string correctly, but calling append()
599
* without a length will result in only the string
600
* up to a \0 being output here.
602
string raw_data(record.after_value(x));
603
destination.append(raw_data.c_str(), raw_data.size());
566
destination.append("NULL");
607
string tmp(record.after_value(x));
608
escapeEmbeddedQuotes(tmp);
609
destination.append(tmp);
570
destination.append(record.after_value(x));
817
774
enum TransformSqlError
818
transformAlterSchemaStatementToSql(const AlterSchemaStatement &statement,
820
enum TransformSqlVariant sql_variant)
822
const Schema &before= statement.before();
823
const Schema &after= statement.after();
825
/* Make sure we are given the before and after for the same object */
826
if (before.uuid() != after.uuid())
827
return UUID_MISMATCH;
829
char quoted_identifier= '`';
830
if (sql_variant == ANSI)
831
quoted_identifier= '"';
833
destination.append("ALTER SCHEMA ");
834
destination.push_back(quoted_identifier);
835
destination.append(before.name());
836
destination.push_back(quoted_identifier);
839
* Diff our schemas. Currently, only collation can change so a
840
* diff of the two structures is not really necessary.
842
destination.append(" COLLATE = ");
843
destination.append(after.collation());
848
enum TransformSqlError
849
775
transformDropSchemaStatementToSql(const DropSchemaStatement &statement,
850
776
string &destination,
851
777
enum TransformSqlVariant sql_variant)
874
800
const Schema &schema= statement.schema();
876
destination.append("CREATE SCHEMA ");
802
destination.append("CREATE SCHEMA ", 14);
877
803
destination.push_back(quoted_identifier);
878
804
destination.append(schema.name());
879
805
destination.push_back(quoted_identifier);
881
807
if (schema.has_collation())
883
destination.append(" COLLATE ");
809
destination.append(" COLLATE ", 9);
884
810
destination.append(schema.collation());
887
if (schema.has_replication_options() and schema.replication_options().has_dont_replicate() and schema.replication_options().dont_replicate())
889
destination.append(" REPLICATION = FALSE");
904
825
const TableMetadata &table_metadata= statement.table_metadata();
906
destination.append("DROP TABLE ");
827
destination.append("DROP TABLE ", 11);
908
829
/* Add the IF EXISTS clause if necessary */
909
830
if (statement.has_if_exists_clause() &&
910
831
statement.if_exists_clause() == true)
912
destination.append("IF EXISTS ");
833
destination.append("IF EXISTS ", 10);
915
836
destination.push_back(quoted_identifier);
987
908
if (sql_variant == ANSI)
988
909
quoted_identifier= '"';
990
destination.append("CREATE ");
911
destination.append("CREATE ", 7);
992
913
if (table.type() == Table::TEMPORARY)
993
destination.append("TEMPORARY ");
914
destination.append("TEMPORARY ", 10);
995
destination.append("TABLE ");
916
destination.append("TABLE ", 6);
998
919
append_escaped_string(&destination, table.schema(), quoted_identifier);
999
920
destination.push_back('.');
1001
922
append_escaped_string(&destination, table.name(), quoted_identifier);
1002
destination.append(" (\n");
923
destination.append(" (\n", 3);
1004
925
enum TransformSqlError result= NONE;
1005
926
size_t num_fields= table.field_size();
1021
942
size_t num_indexes= table.indexes_size();
1023
944
if (num_indexes > 0)
1024
destination.append(",\n");
945
destination.append(",\n", 2);
1026
947
for (size_t x= 0; x < num_indexes; ++x)
1028
949
const message::Table::Index &index= table.indexes(x);
1031
destination.append(",\n");
952
destination.append(",\n", 2);
1033
954
result= transformIndexDefinitionToSql(index, table, destination, sql_variant);
1039
960
size_t num_foreign_keys= table.fk_constraint_size();
1041
962
if (num_foreign_keys > 0)
1042
destination.append(",\n");
963
destination.append(",\n", 2);
1044
965
for (size_t x= 0; x < num_foreign_keys; ++x)
1046
967
const message::Table::ForeignKeyConstraint &fkey= table.fk_constraint(x);
1049
destination.append(",\n");
970
destination.append(",\n", 2);
1051
972
result= transformForeignKeyConstraintDefinitionToSql(fkey, table, destination, sql_variant);
1070
991
const Engine::Option &option= table.engine().options(x);
1071
992
destination.append(option.name());
1072
destination.append("='");
993
destination.append("='", 2);
1073
994
destination.append(option.state());
1074
destination.append("'");
1075
if (x != num_engine_options-1)
1077
destination.append(", ");
995
destination.append("'", 1);
996
if(x != num_engine_options-1)
997
destination.append(", ", 2);
1093
1012
if (sql_variant == ANSI)
1094
1013
return NONE; /* ANSI does not support table options... */
1096
1017
if (options.has_comment())
1098
destination.append(" COMMENT=");
1019
destination.append(" COMMENT=", 9);
1099
1020
append_escaped_string(&destination, options.comment());
1102
1023
if (options.has_collation())
1104
destination.append(" COLLATE = ");
1025
destination.append(" COLLATE = ", 11);
1105
1026
destination.append(options.collation());
1108
1029
if (options.has_data_file_name())
1110
destination.append("\nDATA_FILE_NAME = '");
1031
destination.append("\nDATA_FILE_NAME = '", 19);
1111
1032
destination.append(options.data_file_name());
1112
1033
destination.push_back('\'');
1115
1036
if (options.has_index_file_name())
1117
destination.append("\nINDEX_FILE_NAME = '");
1038
destination.append("\nINDEX_FILE_NAME = '", 20);
1118
1039
destination.append(options.index_file_name());
1119
1040
destination.push_back('\'');
1122
1043
if (options.has_max_rows())
1124
destination.append("\nMAX_ROWS = ");
1125
destination.append(boost::lexical_cast<string>(options.max_rows()));
1045
ss << options.max_rows();
1046
destination.append("\nMAX_ROWS = ", 12);
1047
destination.append(ss.str());
1128
1051
if (options.has_min_rows())
1130
destination.append("\nMIN_ROWS = ");
1131
destination.append(boost::lexical_cast<string>(options.min_rows()));
1053
ss << options.min_rows();
1054
destination.append("\nMIN_ROWS = ", 12);
1055
destination.append(ss.str());
1134
1059
if (options.has_user_set_auto_increment_value()
1135
1060
&& options.has_auto_increment_value())
1137
destination.append(" AUTO_INCREMENT=");
1138
destination.append(boost::lexical_cast<string>(options.auto_increment_value()));
1062
ss << options.auto_increment_value();
1063
destination.append(" AUTO_INCREMENT=", 16);
1064
destination.append(ss.str());
1141
1068
if (options.has_avg_row_length())
1143
destination.append("\nAVG_ROW_LENGTH = ");
1144
destination.append(boost::lexical_cast<string>(options.avg_row_length()));
1147
if (options.has_checksum() && options.checksum())
1148
destination.append("\nCHECKSUM = TRUE");
1150
if (options.has_page_checksum() && options.page_checksum())
1151
destination.append("\nPAGE_CHECKSUM = TRUE");
1153
if (options.has_dont_replicate() and options.dont_replicate())
1155
destination.append(" REPLICATION = FALSE");
1070
ss << options.avg_row_length();
1071
destination.append("\nAVG_ROW_LENGTH = ", 18);
1072
destination.append(ss.str());
1076
if (options.has_checksum() &&
1078
destination.append("\nCHECKSUM = TRUE", 16);
1079
if (options.has_page_checksum() &&
1080
options.page_checksum())
1081
destination.append("\nPAGE_CHECKSUM = TRUE", 21);
1171
1096
destination.append(" ", 2);
1173
1098
if (index.is_primary())
1174
destination.append("PRIMARY ");
1099
destination.append("PRIMARY ", 8);
1175
1100
else if (index.is_unique())
1176
destination.append("UNIQUE ");
1101
destination.append("UNIQUE ", 7);
1178
1103
destination.append("KEY ", 4);
1179
1104
if (! (index.is_primary() && index.name().compare("PRIMARY")==0))
1225
1152
case Table::Index::UNKNOWN_INDEX:
1227
1154
case Table::Index::BTREE:
1228
destination.append(" USING BTREE");
1155
destination.append(" USING BTREE", 12);
1230
1157
case Table::Index::RTREE:
1231
destination.append(" USING RTREE");
1158
destination.append(" USING RTREE", 12);
1233
1160
case Table::Index::HASH:
1234
destination.append(" USING HASH");
1161
destination.append(" USING HASH", 11);
1236
1163
case Table::Index::FULLTEXT:
1237
destination.append(" USING FULLTEXT");
1164
destination.append(" USING FULLTEXT", 15);
1241
1168
if (index.has_comment())
1243
destination.append(" COMMENT ");
1170
destination.append(" COMMENT ", 9);
1244
1171
append_escaped_string(&destination, index.comment());
1280
1208
if (sql_variant == ANSI)
1281
1209
quoted_identifier= '"';
1283
destination.append(" ");
1211
destination.append(" ", 2);
1285
1213
if (fkey.has_name())
1287
destination.append("CONSTRAINT ");
1215
destination.append("CONSTRAINT ", 11);
1288
1216
append_escaped_string(&destination, fkey.name(), quoted_identifier);
1289
1217
destination.append(" ", 1);
1292
destination.append("FOREIGN KEY (");
1220
destination.append("FOREIGN KEY (", 13);
1294
1222
for (ssize_t x= 0; x < fkey.column_names_size(); ++x)
1318
1246
destination.push_back(')');
1320
if (fkey.has_update_option() and fkey.update_option() != Table::ForeignKeyConstraint::OPTION_UNDEF)
1248
if (fkey.update_option() != Table::ForeignKeyConstraint::OPTION_UNDEF)
1322
destination.append(" ON UPDATE ");
1250
destination.append(" ON UPDATE ", 11);
1323
1251
transformForeignKeyOptionToSql(fkey.update_option(), destination);
1326
if (fkey.has_delete_option() and fkey.delete_option() != Table::ForeignKeyConstraint::OPTION_UNDEF)
1254
if (fkey.delete_option() != Table::ForeignKeyConstraint::OPTION_UNDEF)
1328
destination.append(" ON DELETE ");
1256
destination.append(" ON DELETE ", 11);
1329
1257
transformForeignKeyOptionToSql(fkey.delete_option(), destination);
1370
1298
if (field.string_options().has_collation()
1371
1299
&& field.string_options().collation().compare("binary") == 0)
1372
destination.append(" VARBINARY(");
1300
destination.append(" VARBINARY(", 11);
1374
destination.append(" VARCHAR(");
1302
destination.append(" VARCHAR(", 9);
1376
destination.append(boost::lexical_cast<string>(field.string_options().length()));
1377
destination.append(")");
1305
ss << field.string_options().length() << ")";
1306
destination.append(ss.str());
1380
1309
case Table::Field::BLOB:
1382
1311
if (field.string_options().has_collation()
1383
1312
&& field.string_options().collation().compare("binary") == 0)
1384
destination.append(" BLOB");
1313
destination.append(" BLOB", 5);
1386
destination.append(" TEXT");
1315
destination.append(" TEXT", 5);
1389
1318
case Table::Field::ENUM:
1391
1320
size_t num_field_values= field.enumeration_values().field_value_size();
1392
destination.append(" ENUM(");
1321
destination.append(" ENUM(", 6);
1393
1322
for (size_t x= 0; x < num_field_values; ++x)
1395
1324
const string &type= field.enumeration_values().field_value(x);
1404
1333
destination.push_back(')');
1407
case Table::Field::UUID:
1408
destination.append(" UUID");
1410
case Table::Field::BOOLEAN:
1411
destination.append(" BOOLEAN");
1413
1336
case Table::Field::INTEGER:
1414
destination.append(" INT");
1337
destination.append(" INT", 4);
1416
1339
case Table::Field::BIGINT:
1417
if (field.has_constraints() and
1418
field.constraints().is_unsigned())
1420
destination.append(" BIGINT UNSIGNED");
1424
destination.append(" BIGINT");
1340
destination.append(" BIGINT", 7);
1427
1342
case Table::Field::DECIMAL:
1429
destination.append(" DECIMAL(");
1344
destination.append(" DECIMAL(", 9);
1430
1345
stringstream ss;
1431
1346
ss << field.numeric_options().precision() << ",";
1432
1347
ss << field.numeric_options().scale() << ")";
1436
1351
case Table::Field::DATE:
1437
destination.append(" DATE");
1440
case Table::Field::EPOCH:
1441
if (field.time_options().microseconds())
1443
destination.append(" TIMESTAMP(6)");
1447
destination.append(" TIMESTAMP");
1352
destination.append(" DATE", 5);
1354
case Table::Field::TIMESTAMP:
1355
destination.append(" TIMESTAMP", 10);
1451
1357
case Table::Field::DATETIME:
1452
destination.append(" DATETIME");
1454
case Table::Field::TIME:
1455
destination.append(" TIME");
1358
destination.append(" DATETIME", 9);
1362
if (field.type() == Table::Field::INTEGER ||
1363
field.type() == Table::Field::BIGINT)
1365
if (field.has_constraints() &&
1366
field.constraints().has_is_unsigned() &&
1367
field.constraints().is_unsigned())
1369
destination.append(" UNSIGNED", 9);
1459
1373
if (field.type() == Table::Field::BLOB ||
1462
1376
if (field.string_options().has_collation()
1463
1377
&& field.string_options().collation().compare("binary"))
1465
destination.append(" COLLATE ");
1379
destination.append(" COLLATE ", 9);
1466
1380
destination.append(field.string_options().collation());
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");
1384
if (field.has_constraints() &&
1385
! field.constraints().is_nullable())
1387
destination.append(" NOT NULL", 9);
1389
else if (field.type() == Table::Field::TIMESTAMP)
1390
destination.append(" NULL", 5);
1484
1392
if (field.type() == Table::Field::INTEGER ||
1485
1393
field.type() == Table::Field::BIGINT)
1488
1396
if (field.has_numeric_options() &&
1489
1397
field.numeric_options().is_autoincrement())
1491
destination.append(" AUTO_INCREMENT");
1399
destination.append(" AUTO_INCREMENT", 15);
1495
1403
if (field.options().has_default_value())
1497
destination.append(" DEFAULT ");
1405
destination.append(" DEFAULT ", 9);
1498
1406
append_escaped_string(&destination, field.options().default_value());
1500
1408
else if (field.options().has_default_expression())
1502
destination.append(" DEFAULT ");
1410
destination.append(" DEFAULT ", 9);
1503
1411
destination.append(field.options().default_expression());
1505
1413
else if (field.options().has_default_bin_value())
1507
1415
const string &v= field.options().default_bin_value();
1508
1416
if (v.length() == 0)
1510
destination.append(" DEFAULT ''");
1417
destination.append(" DEFAULT ''", 11);
1514
destination.append(" DEFAULT 0x");
1420
destination.append(" DEFAULT 0x", 11);
1515
1421
for (size_t x= 0; x < v.length(); x++)
1524
1430
&& field.options().default_null()
1525
1431
&& field.type() != Table::Field::BLOB)
1527
destination.append(" DEFAULT NULL");
1433
destination.append(" DEFAULT NULL", 13);
1530
1436
if (field.has_options() && field.options().has_update_expression())
1532
destination.append(" ON UPDATE ");
1438
destination.append(" ON UPDATE ", 11);
1533
1439
destination.append(field.options().update_expression());
1536
1442
if (field.has_comment())
1538
destination.append(" COMMENT ");
1444
destination.append(" COMMENT ", 9);
1539
1445
append_escaped_string(&destination, field.comment(), quoted_default);
1565
1472
case DRIZZLE_TYPE_NULL:
1566
1473
assert(false); /* Not a user definable type */
1567
1474
return Table::Field::INTEGER; /* unreachable */
1568
case DRIZZLE_TYPE_MICROTIME:
1569
1475
case DRIZZLE_TYPE_TIMESTAMP:
1570
return Table::Field::EPOCH;
1476
return Table::Field::TIMESTAMP;
1571
1477
case DRIZZLE_TYPE_LONGLONG:
1572
1478
return Table::Field::BIGINT;
1573
1479
case DRIZZLE_TYPE_DATETIME:
1574
1480
return Table::Field::DATETIME;
1575
case DRIZZLE_TYPE_TIME:
1576
return Table::Field::TIME;
1577
1481
case DRIZZLE_TYPE_DATE:
1578
1482
return Table::Field::DATE;
1579
1483
case DRIZZLE_TYPE_VARCHAR: