Q( number of connections to open IReturns all of the columns in the given table currently in the database.  !"#$%&'[()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*()+(),()-().()/()0()1()2()3()4()5()6()7(89(8:(8;(8<(8=(8>(8?(8@(8A(8B(8C(8D(8E(8F(GH(GI(GI(JK(JL(MN(MO(MP(MQ(MR(MS(MT(MU(MV(MW(MX(MY(MZ(M[(M\(M (M](M^(M_(M`(Ma(Mb(Mc(Md(Me(Mf(Mg(Me(Mh(Mi(Mj(Mk(Ml(Mm(Mn(Mo(Mp(Mq(Mr(Ms(Mt(Mt(Mu(Mv(Mw(Mx(My(Mz(M{(M|(M}(M~(M(M(M(Mpersistent-postgresql-0.6.0Database.Persist.PostgresqlwithPostgresqlPoolwithPostgresqlConnAlterDB AlterTable AlterColumnAddTableDropConstraintAddUniqueConstraint AlterColumn' DropReference AddReferenceUpdate NoDefaultDefaultDropAddNotNullIsNullTypeopen'prepare' insertSql'execute' withStmt'pToSqlpFromSqlmigrate' getColumns getAlters getColumn findAlters showColumn showSqlType showAlterDbshowAlterTable showAlterescape bsToCharspersistent-0.6.1Database.Persist||./<-.<-.>=.>.<=.<.!=.==./=.*=.-=.+=.=.Database.Persist.GenericSqlrollbackcommitmigraterunMigrationUnsaferunMigrationSilent runMigration getMigrationprintMigrationparseMigration'parseMigration runSqlConn runSqlPoolConnectionPool MigrationDatabase.Persist.GenericSql.Raw unSqlPersist SqlPersist$Database.Persist.GenericSql.Internal Connection StatementDatabase.Persist.Base selectList checkUniquegetJust belongsToJust belongsTo getByValueinsertBy isNullablesqlTypefromPersistValuetoPersistValue PersistField updateUpdate updateValue updateFieldAscDescOffsetByLimitTo SelectOpt filterFilter filterValue filterFieldFilter FilterAndFilterOrpersistUniqueKeyspersistUniqueToValuespersistUniqueToFieldNames halfDefinedfromPersistValuestoPersistFields entityDefpersistColumnDefUnique EntityField PersistEntityunKeyKeycount selectKeys selectFirst selectEnumgetByget deleteWheredeleteBydelete updateWhereupdatereplaceinsertPersistBackend