def _parseCreateDatabase(self, tokens):
"""
Subparser - handles all CREATE DATABASE requests.
Throws css.CssError, _ToolError
"""
l = len(tokens)
if l == 2:
dbName = tokens[0]
configFile = tokens[1]
options = self._fetchOptionsFromConfigFile(configFile)
options = self._processDbOptions(options)
striping = css.StripingParams(int(options['nStripes']),
int(options['nSubStripes']), 0,
float(options['overlap']))
self._css.createDb(dbName, striping, options['storageClass'],
'RELEASED')
elif l == 3:
if tokens[1].upper() != 'LIKE':
raise _IllegalCommandError(
"Expected 'LIKE', found: '{0}'.".format(tokens[1]))
dbName = tokens[0]
dbName2 = tokens[2]
self._css.createDbLike(dbName, dbName2)
else:
raise _IllegalCommandError("Unexpected number of arguments.")
def _updateCss(self, database, table):
"""
Update CSS with information about loaded table and database.
"""
# create database in CSS if not there yet
if not self.css.containsDb(database):
self._log.info('Creating database CSS info')
options = self.partOptions.cssDbOptions()
striping = css.StripingParams(options['nStripes'],
options['nSubStripes'], 0,
options['overlap'])
self.css.createDb(database, striping, options['storageClass'],
'RELEASED')
# define options for table
options = self.partOptions.cssTableOptions()
schema = self._schemaForCSS(database, table)
if options.get('match', False):
matchParams = css.MatchTableParams(options['dirTable1'],
options['dirColName1'],
options['dirTable2'],
options['dirColName2'],
options['flagColName'])
self._log.info('Creating table CSS info for match table')
self.css.createMatchTable(database, table, schema, matchParams)
else:
if 'dirTable' in options:
# partitioned table
pParams = css.PartTableParams(
options['dirDb'], options['dirTable'],
options['dirColName'], options['latColName'],
options['lonColName'], options['overlap'], True,
options['subChunks'])
sParams = css.ScanTableParams(options['lockInMem'],
options['scanRating'])
else:
pParams = css.PartTableParams()
sParams = css.ScanTableParams()
self.css.createTable(database, table, schema, pParams, sParams)
# save chunk mapping too
self._log.info('Saving updated chunk map to CSS')
self.chunkMap.save()
def setUp(self):
self.dbStriping = css.StripingParams(10, 10, 0, 0.0)