1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496
|
# Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
#
# 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; version 2 of the
# License.
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA
import re
import string
from wb import DefineModule
import grt
from db_generic_migration_grt import GenericMigration
from workbench.utils import find_object_with_name, Version
ModuleInfo = DefineModule(name= "DbMssqlMigration", author= "Oracle Corp.", version="1.0")
# unfinished
MSSQL_COLLATION_MAP= [
('SQL_Latin1_General_Cp437_BIN', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp437_CS_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp437_CI_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Pref_CP437_CI_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp437_CI_AI', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp850_BIN', 'utf8_bin', True),
('SQL_Latin1_General_Cp850_CS_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp850_CI_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Pref_CP850_CI_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp850_CI_AI', 'utf8_general_ci', False),
('SQL_1Xcompat_CP850_CI_AS', 'utf8_general_ci', False),
('Latin1_General_BIN', 'latin1_bin', True),
('SQL_Latin1_General_Cp1_CS_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp1_CI_AS', 'utf8_general_ci', True),
('SQL_Latin1_General_Pref_CP1_CI_AS', 'utf8_general_ci', False),
('SQL_Latin1_General_Cp1_CI_AI', 'utf8_general_ci', True),
('SQL_AltDiction_Cp850_CS_AS', 'utf8_general_ci', False),
('SQL_AltDiction_Pref_CP850_CI_AS', 'utf8_general_ci', False),
('SQL_AltDiction_Cp850_CI_AI', 'utf8_general_ci', False),
('SQL_Scandinavian_Pref_Cp850_CI_AS', 'utf8_swedish_ci', False),
('SQL_Scandinavian_Cp850_CS_AS', 'utf8_swedish_ci', False),
('SQL_Scandinavian_Cp850_CI_AS', 'utf8_swedish_ci', False),
('SQL_AltDiction_Cp850_CI_AS', 'utf8_general_ci', False),
('Latin1_General_CS_AS', 'utf8_general_ci', False),
('Latin1_General_CI_AS', 'utf8_general_ci', False),
('Danish_Norwegian_CS_AS', 'utf8_danish_ci', False),
('Finnish_Swedish_CS_AS', 'utf8_swedish_ci', False),
('Icelandic_CS_AS', 'utf8_icelandic_ci', False),
('Hungarian_BIN', 'utf8_bin', True),
('SQL_Latin1_General_Cp1250_CS_AS', 'cp1250_general_ci', False),
('SQL_Latin1_General_Cp1250_CI_AS', 'cp1250_general_ci', True),
('SQL_Czech_Cp1250_CS_AS', 'cp1250_czech_cs', True),
('SQL_Czech_Cp1250_CI_AS', 'cp1250_czech_cs', False),
('SQL_Hungarian_Cp1250_CS_AS', 'cp1250_general_ci', False),
('SQL_Hungarian_Cp1250_CI_AS', 'cp1250_general_ci', False),
('SQL_Polish_Cp1250_CS_AS', 'sql_polish_cp1250_cs_as', False),
('SQL_Polish_Cp1250_CI_AS', 'sql_polish_cp1250_ci_as', False),
('SQL_Romanian_Cp1250_CS_AS', 'sql_romanian_cp1250_cs_as', False),
('SQL_Romanian_Cp1250_CI_AS', 'sql_romanian_cp1250_ci_as', False),
('SQL_Croatian_Cp1250_CS_AS', 'sql_croatian_cp1250_cs_as', False),
('SQL_Croatian_Cp1250_CI_AS', 'sql_croatian_cp1250_ci_as', False),
('SQL_Slovak_Cp1250_CS_AS', 'sql_slovak_cp1250_cs_as', False),
('SQL_Slovak_Cp1250_CI_AS', 'sql_slovak_cp1250_ci_as', False),
('SQL_Slovenian_Cp1250_CS_AS', 'sql_slovenian_cp1250_cs_as', False),
('SQL_Slovenian_Cp1250_CI_AS', 'sql_slovenian_cp1250_ci_as', False),
('Cyrillic_General_BIN', 'cyrillic_general_bin', False),
('SQL_Latin1_General_Cp1251_CS_AS', 'sql_latin1_general_cp1251_cs_as', False),
('SQL_Latin1_General_Cp1251_CI_AS', 'sql_latin1_general_cp1251_ci_as', False),
('SQL_Ukrainian_Cp1251_CS_AS', 'sql_ukrainian_cp1251_cs_as', False),
('SQL_Ukrainian_Cp1251_CI_AS', 'sql_ukrainian_cp1251_ci_as', False),
('Greek_BIN', 'greek_bin', False),
('SQL_Latin1_General_Cp1253_CS_AS', 'sql_latin1_general_cp1253_cs_as', False),
('SQL_Latin1_General_Cp1253_CI_AS', 'sql_latin1_general_cp1253_ci_as', False),
('SQL_MixDiction_Cp1253_CS_AS', 'sql_mixdiction_cp1253_cs_as', False),
('SQL_AltDiction_Cp1253_CS_AS', 'sql_altdiction_cp1253_cs_as', False),
('SQL_Latin1_General_Cp1253_CI_AI', 'sql_latin1_general_cp1253_ci_ai', False),
('Turkish_BIN', 'turkish_bin', False),
('SQL_Latin1_General_Cp1254_CS_AS', 'sql_latin1_general_cp1254_cs_as', False),
('SQL_Latin1_General_Cp1254_CI_AS', 'sql_latin1_general_cp1254_ci_as', False),
('Hebrew_BIN', 'hebrew_bin', False),
('SQL_Latin1_General_Cp1255_CS_AS', 'sql_latin1_general_cp1255_cs_as', False),
('SQL_Latin1_General_Cp1255_CI_AS', 'sql_latin1_general_cp1255_ci_as', False),
('Arabic_BIN', 'arabic_bin', False),
('SQL_Latin1_General_Cp1256_CS_AS', 'sql_latin1_general_cp1256_cs_as', False),
('SQL_Latin1_General_Cp1256_CI_AS', 'sql_latin1_general_cp1256_ci_as', False),
('SQL_Latin1_General_Cp1257_CS_AS', 'sql_latin1_general_cp1257_cs_as', False),
('SQL_Latin1_General_Cp1257_CI_AS', 'sql_latin1_general_cp1257_ci_as', False),
('SQL_Estonian_Cp1257_CS_AS', 'sql_estonian_cp1257_cs_as', False),
('SQL_Estonian_Cp1257_CI_AS', 'sql_estonian_cp1257_ci_as', False),
('SQL_Latvian_Cp1257_CS_AS', 'sql_latvian_cp1257_cs_as', False),
('SQL_Latvian_Cp1257_CI_AS', 'sql_latvian_cp1257_ci_as', False),
('SQL_Lithuanian_Cp1257_CS_AS', 'sql_lithuanian_cp1257_cs_as', False),
('SQL_Lithuanian_Cp1257_CI_AS', 'sql_lithuanian_cp1257_ci_as', False),
('SQL_Danish_Pref_Cp1_CI_AS', 'sql_danish_pref_cp1_ci_as', False),
('SQL_SwedishPhone_Pref_Cp1_CI_AS', 'sql_swedishphone_pref_cp1_ci_as', False),
('SQL_SwedishStd_Pref_Cp1_CI_AS', 'sql_swedishstd_pref_cp1_ci_as', False),
('SQL_Icelandic_Pref_Cp1_CI_AS', 'sql_icelandic_pref_cp1_ci_as', False),
('Japanese_BIN', 'japanese_bin', False),
('Japanese_CI_AS', 'japanese_ci_as', False),
('Korean_Wansung_BIN', 'korean_wansung_bin', False),
('Korean_Wansung_CI_AS', 'korean_wansung_ci_as', False),
('Chinese_Taiwan_Stroke_BIN', 'chinese_taiwan_stroke_bin', False),
('Chinese_Taiwan_Stroke_CI_AS', 'chinese_taiwan_stroke_ci_as', False),
('Chinese_PRC_BIN', 'chinese_prc_bin', False),
('Chinese_PRC_CI_AS', 'chinese_prc_ci_as', False),
('Japanese_CS_AS', 'japanese_cs_as', False),
('Korean_Wansung_CS_AS', 'korean_wansung_cs_as', False),
('Chinese_Taiwan_Stroke_CS_AS', 'chinese_taiwan_stroke_cs_as', False),
('Chinese_PRC_CS_AS', 'chinese_prc_cs_as', False),
('Thai_BIN', 'thai_bin', False),
('Thai_CI_AS', 'thai_ci_as', False),
('Thai_CS_AS', 'thai_cs_as', False),
('SQL_EBCDIC037_CP1_CS_AS', 'sql_ebcdic037_cp1_cs_as', False),
('SQL_EBCDIC273_CP1_CS_AS', 'sql_ebcdic273_cp1_cs_as', False),
('SQL_EBCDIC277_CP1_CS_AS', 'sql_ebcdic277_cp1_cs_as', False),
('SQL_EBCDIC278_CP1_CS_AS', 'sql_ebcdic278_cp1_cs_as', False),
('SQL_EBCDIC280_CP1_CS_AS', 'sql_ebcdic280_cp1_cs_as', False),
('SQL_EBCDIC284_CP1_CS_AS', 'sql_ebcdic284_cp1_cs_as', False),
('SQL_EBCDIC285_CP1_CS_AS', 'sql_ebcdic285_cp1_cs_as', False),
('SQL_EBCDIC297_CP1_CS_AS', 'sql_ebcdic297_cp1_cs_as', False)
]
truncated_identifier_serial = 0
class MSSQLMigration(GenericMigration):
def migrateIdentifier(self, mssql_name, log, dots_allowed=False):
mysql_valid_regex = re.compile(r'^[^/\\.]+$', re.U) # Database and table names cannot contain "/", "\", ".", or characters that are not permitted in file names
mysql_name = mssql_name
log_message = ''
# Remove quoting chars from the identifier if present
if ( mssql_name.startswith('"') and mssql_name.endswith('"') or
mssql_name.startswith('[') and mssql_name.endswith(']') ):
mysql_name = mssql_name[1:-1]
if not dots_allowed and not mysql_valid_regex.match(mysql_name):
mysql_name = mysql_name.translate(string.maketrans(r'/\.', '___'))
log_message = (u'Schema and table names cannot contain "/", "\\", ".", or characters that are '
u'not permitted in file names. The identifier [%s] was changed to `%s`. ' % (mssql_name, mysql_name))
# truncate too long identifiers
if len(mysql_name) > 64:
global truncated_identifier_serial
truncated_identifier_serial += 1
original_mysql_name = mysql_name
mysql_name = mysql_name[:62]+str(truncated_identifier_serial)
log_message += u'Identifier `%s` is too long, truncated to `%s`' % (original_mysql_name, mysql_name)
if log and log_message:
entry = grt.classes.GrtLogEntry()
entry.entryType = 1
entry.name = log_message
log.entries.append(entry)
return mysql_name
def migrateTableToMySQL(self, state, sourceTable, targetSchema):
targetTable = super(MSSQLMigration, self).migrateTableToMySQL(state, sourceTable, targetSchema)
targetTable.defaultCharacterSetName, targetTable.defaultCollationName = self.migrateCharsetCollation(state, sourceTable.owner.defaultCharacterSetName, sourceTable.owner.defaultCollationName, sourceTable, targetTable)
return targetTable
def migrateColumnDefaultValue(self, state, default_value, source_column, target_column):
target_default_value = default_value
if source_column.simpleType:
source_datatype = source_column.simpleType.name
if source_datatype == 'TIMESTAMP':
if default_value == 'getdate()':
target_default_value = 'CURRENT_TIMESTAMP'
elif source_datatype in ['DATETIME', 'SMALLDATETIME']:
if source_column.defaultValue == 'getdate()':
target_default_value = 'CURRENT_TIMESTAMP'
# Only timestamp supports CURRENT_TIMESTAMP, so force the target type to it
target_column.simpleType = find_object_with_name(state.targetCatalog.simpleDatatypes, 'TIMESTAMP')
target_column.length = -1
state.addMigrationLogEntry(0, source_column, target_column,
'Default value is %s, so type was changed from %s to TIMESTAMP' % (default_value, source_datatype))
if default_value and not default_value.startswith("'") and target_default_value == default_value:
# not a string, check for numeric literals
try:
float(default_value)
except:
# not a numeric literal
target_default_value = ''
state.addMigrationLogEntry(1, source_column, target_column,
'Default value %s is not supported' % default_value)
return target_default_value
def migrateDatatypeForColumn(self, state, source_column, target_column):
targetCatalog = state.targetCatalog
mysql_simpleTypes = dict( (datatype.name.upper(), datatype) for datatype in targetCatalog.simpleDatatypes )
source_type = source_column.simpleType
if not source_type and source_column.userType:
# evaluate user type
source_type = source_column.userType.actualType
target_column.flags.extend(source_column.userType.flags)
if source_type:
target_version = Version.fromgrt(targetCatalog.version)
# Decide which mysql datatype corresponds to the column datatype:
source_datatype = source_type.name.upper()
grt.log_debug3("Migration", "Migrating source column '%s' - type: %s, length: %s\n" % (source_column.name, source_datatype,source_column.length))
# string data types:
target_datatype = ''
#NCHAR and NVARCHAR in Microsoft SQL Server is always encoded as UCS-2 (UTF-16)
if source_datatype in ['NCHAR', 'NVARCHAR'] and target_version.is_supported_mysql_version_at_least(5,5,0):
target_column.characterSetName = 'utf8mb4'
if source_datatype in ['VARCHAR', 'NVARCHAR']:
if source_column.length == -1: # VARCHAR(MAX) or NVARCHAR(MAX)
target_datatype = 'LONGTEXT' #TODO: Give the user the choice for this target datatype
elif 0 < source_column.length < 256:
target_datatype = 'VARCHAR'
else: # MySQL versions > 5.0 can hold up to 65535 chars in a VARCHAR column
target_datatype = 'TEXT' if targetCatalog.version.majorNumber < 5 else 'VARCHAR'
elif source_datatype in ['TEXT', 'NTEXT']:
target_datatype = 'LONGTEXT'
elif source_datatype in ['CHAR', 'NCHAR']: # MSSQL CHAR's (also VARCHAR's) max length is 8000 non Unicode characters
if 0 < source_column.length < 256:
target_datatype = 'CHAR'
else:
target_datatype = 'TEXT'
# integer data types:
elif source_datatype in ['BIGINT', 'INT', 'SMALLINT']:
target_datatype = source_datatype
target_column.precision = -1
elif source_datatype == 'TINYINT':
target_datatype = source_datatype
target_column.precision = -1
if 'UNSIGNED' not in target_column.flags:
target_column.flags.append('UNSIGNED') # In MSSQL TINYINT is unsigned
elif source_datatype == 'UNIQUEIDENTIFIER':
target_datatype = 'VARCHAR'
target_column.length = 64
if 'UNIQUE' not in target_column.flags:
target_column.flags.append('UNIQUE') # uniqueid must be UNIQUE... bug #43098
state.addMigrationLogEntry(0, source_column, target_column,
"Source column type %s was migrated to %s(%s)" % (source_datatype, target_datatype, target_column.length))
elif source_datatype == 'SYSNAME': # the relevant info is in http://msdn.microsoft.com/en-us/library/ms191240(v=sql.105).aspx
target_datatype = 'VARCHAR'
target_column.length = 160
state.addMigrationLogEntry(0, source_column, target_column,
"Source column type %s was migrated to %s(%s)" % (source_datatype, target_datatype, target_column.length))
# floating point datatypes:
elif source_datatype in ['DECIMAL', 'NUMERIC']:
if source_column.scale == 0:
target_datatype = 'BIGINT'
if source_column.precision < 5:
target_datatype = 'SMALLINT'
elif source_column.precision < 7:
target_datatype = 'MEDIUMINT'
elif source_column.precision < 10:
target_datatype = 'INT'
target_column.precision = -1
else:
target_datatype = 'DECIMAL'
elif source_datatype == 'REAL':
target_datatype = 'FLOAT'
elif source_datatype == 'FLOAT':
if source_column.precision > 24:
target_datatype = 'DOUBLE'
target_column.precision = -1
elif source_datatype in ['MONEY', 'SMALLMONEY']:
target_datatype = 'DECIMAL'
target_column.precision = source_column.simpleType.numericPrecision
target_column.scale = source_column.simpleType.numericScale
# binary datatypes:
elif source_datatype == 'IMAGE':
target_datatype = 'LONGBLOB'
elif source_datatype == 'VARBINARY' and source_column.length == -1: # VARBINARY(MAX):
target_datatype = 'LONGBLOB'
# datetime datatypes:
elif source_datatype in ['DATETIME', 'SMALLDATETIME', 'DATETIME2', 'DATETIMEOFFSET']:
target_datatype = 'DATETIME'
target_column.precision = -1
if target_version.is_supported_mysql_version_at_least(5,6,4) and source_datatype != 'SMALLDATETIME':
target_column.precision = source_column.precision if source_column.precision < 7 else 6
# timestamp datatypes
# In MS SQL Server a nonnullable timestamp column is semantically equivalent to a binary(8) column,
# and a nullable timestamp column is semantically equivalent to a varbinary(8) column.
elif source_datatype in ['TIMESTAMP', 'ROWVERSION']:
target_datatype = 'BINARY' if source_column.isNotNull else 'VARBINARY'
elif source_datatype == 'DATE':
target_datatype = 'DATE'
target_column.precision = -1
elif source_datatype == 'TIME':
target_datatype = 'TIME'
target_column.precision = -1
if target_version.is_supported_mysql_version_at_least(5,6,4):
target_column.precision = source_column.precision if source_column.precision < 7 else 6
elif source_datatype == 'BIT':
target_datatype = 'TINYINT'
target_column.length = 1
state.addMigrationLogEntry(0, source_column, target_column,
"Source column type BIT was migrated to TINYINT(1)")
elif source_datatype == 'XML':
target_datatype = 'TEXT'
state.addMigrationLogEntry(0, source_column, target_column,
"Source column type XML was migrated to TEXT")
elif source_datatype in ['GEOMETRY', 'GEOGRAPHY']:
target_datatype = 'GEOMETRY'
elif source_datatype == 'HIERARCHYID':
target_datatype = 'VARCHAR'
target_column.length = 255
state.addMigrationLogEntry(1, source_column, target_column,
"Source column type HIERARCHYID was migrated to VARCHAR(255)")
elif source_datatype == 'SQL_VARIANT':
target_datatype = 'TEXT'
state.addMigrationLogEntry(1, source_column, target_column,
"Source column type %s was migrated to %s(%s)" % (source_datatype, target_datatype, target_column.length))
else:
# just fall back to same type name and hope for the best
target_datatype = source_datatype
if mysql_simpleTypes.has_key(target_datatype):
target_column.simpleType = mysql_simpleTypes[target_datatype]
else:
grt.log_warning("Migration", "MSSQL migrateTableColumnsToMySQL", "Can't find datatype %s for type %s\n" % (target_datatype, source_datatype))
state.addMigrationLogEntry(2, source_column, target_column,
'Could not migrate column "%s" in "%s": Unknown datatype "%s"' % (target_column.name, source_column.owner.name, source_datatype) )
return False
return True
else:
state.addMigrationLogEntry(2, source_column, target_column,
'Could not migrate type of column "%s" in "%s" (%s)' % (target_column.name, source_column.owner.name, source_column.formattedRawType) )
return False
return True
def migrateUpdateForChanges(self, state, target_catalog):
"""
Create datatype cast expression for target column based on source datatype.
"""
for targetSchema in target_catalog.schemata:
for targetTable in targetSchema.tables:
for target_column in targetTable.columns:
# SQL expression to use for converting the column data to the target type
# eg.: CAST(? as NVARCHAR(max))
type_cast_expression = None
source_datatype = None
source_column = state.lookupSourceObject(target_column)
if source_column:
source_datatype = GenericMigration.getColumnDataType(self, source_column)
if source_column and source_datatype:
target_datatype = target_column.simpleType.name.upper()
if source_datatype in ['VARCHAR', 'NVARCHAR']:
if source_datatype == 'VARCHAR':
if target_column.length > 4000 or target_column.length == -1: # NVARCHAR is limited to 4000 - if you need more, you must use MAX insted BUG #18167872
type_cast_expression = "CAST(? as NVARCHAR(MAX))" # If in source table is VARCHAR(MAX) column lnegth is 0 - so must be casted to NVARCHAR(MAX) BUG #18105486
else:
type_cast_expression = "CAST(? as NVARCHAR(%d))" % target_column.length
elif source_datatype in ['TEXT', 'NTEXT']:
if source_datatype == 'TEXT':
type_cast_expression = "CAST(? as NTEXT)"
elif source_datatype in ['CHAR', 'NCHAR']: # MSSQL CHAR's (also VARCHAR's) max length is 8000 non Unicode characters
if source_datatype == 'CHAR':
type_cast_expression = "CAST(? as NCHAR(%d))" % target_column.length
elif source_datatype == 'UNIQUEIDENTIFIER':
type_cast_expression = "CAST(? as VARCHAR(64))"
elif source_datatype == 'SYSNAME': # the relevant info is in http://msdn.microsoft.com/en-us/library/ms191240(v=sql.105).aspx
type_cast_expression = "CAST(? as VARCHAR(128))"
# floating point datatypes:
elif source_datatype in ['DECIMAL', 'NUMERIC']:
if source_column.scale == 0:
type_cast_expression = "CAST(? as %s)" % ('INT' if target_datatype == 'MEDIUMINT' else target_datatype)
elif source_datatype == 'XML':
type_cast_expression = "CAST(? as NVARCHAR(max))"
elif source_datatype in ['GEOMETRY', 'GEOGRAPHY']:
type_cast_expression = '?.STAsText()'
elif source_datatype == 'HIERARCHYID':
type_cast_expression = "CAST(? as VARCHAR(max))"
elif source_datatype == 'SQL_VARIANT':
type_cast_expression = "CAST(? as NVARCHAR(max))"
elif source_datatype in ['BINARY', 'VARBINARY', 'TIMESTAMP', 'ROWVERSION']:
type_cast_expression = 'CONVERT(VARBINARY(MAX), ?, 0)'
if type_cast_expression:
target_column.owner.customData["columnTypeCastExpression:%s" % target_column.name] = "%s as ?" % type_cast_expression
return target_catalog
def migrateCharsetCollation(self, state, charset, collation, source_object, target_object):
if collation:
state.addMigrationLogEntry(0, source_object, target_object,
'Collation %s migrated to utf8_general_ci' % (collation))
return '', 'utf8_general_ci'
return charset, collation
def migrateTableColumnToMySQL(self, state, source_column, targetTable):
target_column = GenericMigration.migrateTableColumnToMySQL(self, state, source_column, targetTable)
if target_column:
# Autoincrement for integer datatypes:
if source_column.simpleType:
source_datatype = source_column.simpleType.name
if source_datatype in ['INT', 'TINYINT', 'SMALLINT', 'BIGINT']:
target_column.autoIncrement = source_column.identity
# TODO set charset/collation
#target_column.characterSetName =
return target_column
#def migrateTableIndexToMySQL(self, state, source_index, targetTable):
# index = GenericMigration.migrateTableIndexToMySQL(self, state, source_index, targetTable)
# return index
def migrateTableForeignKeyToMySQL(self, state, source_fk, targetTable):
target_fk = GenericMigration.migrateTableForeignKeyToMySQL(self, state, source_fk, targetTable)
### TODO: migrate constraints
return target_fk
instance = MSSQLMigration()
@ModuleInfo.export(grt.STRING)
def getTargetDBMSName():
return 'Mssql'
@ModuleInfo.export(grt.STRING, grt.STRING, grt.classes.GrtLogObject)
def migrateIdentifier(name, log):
return instance.migrateIdentifier(name, log)
@ModuleInfo.export(grt.classes.db_Catalog, grt.classes.db_migration_Migration, grt.classes.db_Catalog)
def migrateCatalog(state, sourceCatalog):
return instance.migrateCatalog(state, sourceCatalog)
@ModuleInfo.export(grt.classes.db_Schema, grt.classes.db_migration_Migration, grt.classes.db_Schema, grt.classes.db_Catalog)
def migrateSchema(state, sourceSchema, targetCatalog):
return instance.migrateSchema(state, sourceSchema, targetCatalog)
@ModuleInfo.export(grt.classes.db_Table, grt.classes.db_migration_Migration, grt.classes.db_Table, grt.classes.db_Schema)
def migrateTableToMySQL(state, sourceTable, target_schema):
return instance.migrateTableToMySQL(state, sourceTable, target_schema)
@ModuleInfo.export(grt.INT, grt.classes.db_migration_Migration, grt.classes.db_Table, grt.classes.db_Table)
def migrateTableToMySQL2ndPass(state, sourceTable, targetTable):
return instance.migrateTableToMySQL2ndPass(state, sourceTable, targetTable)
@ModuleInfo.export(grt.classes.db_mysql_ForeignKey, grt.classes.db_migration_Migration, grt.classes.db_ForeignKey, grt.classes.db_Table)
def migrateTableForeignKeyToMySQL(state, source_fk, targetTable):
return instance.migrateTableForeignKeyToMySQL(state, source_fk, targetTable)
@ModuleInfo.export(grt.classes.db_mysql_Trigger, grt.classes.db_migration_Migration, grt.classes.db_Trigger, grt.classes.db_Table)
def migrateTriggerToMySQL(state, source_trigger, target_table):
return instance.migrateTriggerToMySQL(state, source_trigger, target_table)
@ModuleInfo.export(grt.classes.db_mysql_View, grt.classes.db_migration_Migration, grt.classes.db_View, grt.classes.db_Schema)
def migrateViewToMySQL(state, source_view, target_schema):
return instance.migrateViewToMySQL(state, source_view, target_schema)
@ModuleInfo.export(grt.classes.db_mysql_Routine, grt.classes.db_migration_Migration, grt.classes.db_Routine, grt.classes.db_Schema)
def migrateRoutineToMySQL(state, source_routine, target_schema):
return instance.migrateRoutineToMySQL(state, source_routine, target_schema)
@ModuleInfo.export(grt.classes.db_Catalog, grt.classes.db_migration_Migration, grt.classes.db_Catalog)
def migrateUpdateForChanges(state, target_catalog):
return instance.migrateUpdateForChanges(state, target_catalog)
@ModuleInfo.export((grt.LIST, grt.classes.db_migration_MigrationParameter), grt.classes.db_migration_Migration)
def getMigrationOptions(state):
list = grt.List(grt.OBJECT, grt.classes.db_migration_MigrationParameter.__grtclassname__)
#param = grt.classes.db_migration_MigrationParameter()
#param.name = "mssql:mergeSchemaNameToTableName"
#param.caption = "Merge source schema and table names into a single target schema\nex.: AdventureWorks.Person.Contact -> AdventureWorks.Person_Contact"
#list.append(param)
return list
|