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patch for unique foreign keys and test case from Kris Jurka

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This commit is contained in:
Dave Cramer
2003-12-11 19:25:08 +00:00
parent f954ebf577
commit cbc56dcc8d
2 changed files with 125 additions and 2 deletions
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54
src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
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@@ -2966,7 +2966,59 @@ public abstract class AbstractJdbc1DatabaseMetaData
* the PK_NAME field.
*/
if (connection.haveMinimumServerVersion("7.3")) {
if (connection.haveMinimumServerVersion("7.4")) {
String sql = "SELECT NULL::text AS PKTABLE_CAT, pkn.nspname AS PKTABLE_SCHEMA, pkc.relname AS PKTABLE_NAME, pka.attname AS PKCOLUMN_NAME, "+
"NULL::text AS FK_TABLE_CAT, fkn.nspname AS FKTABLE_SCHEMA, fkc.relname AS FKTABLE_NAME, fka.attname AS FKCOLUMN_NAME, "+
"pos.n AS KEY_SEQ, "+
"CASE con.confupdtype "+
" WHEN 'c' THEN " + DatabaseMetaData.importedKeyCascade +
" WHEN 'n' THEN " + DatabaseMetaData.importedKeySetNull +
" WHEN 'd' THEN " + DatabaseMetaData.importedKeySetDefault +
" WHEN 'r' THEN " + DatabaseMetaData.importedKeyRestrict +
" WHEN 'a' THEN " + DatabaseMetaData.importedKeyNoAction +
" ELSE NULL END AS UPDATE_RULE, "+
"CASE con.confdeltype "+
" WHEN 'c' THEN " + DatabaseMetaData.importedKeyCascade +
" WHEN 'n' THEN " + DatabaseMetaData.importedKeySetNull +
" WHEN 'd' THEN " + DatabaseMetaData.importedKeySetDefault +
" WHEN 'r' THEN " + DatabaseMetaData.importedKeyRestrict +
" WHEN 'a' THEN " + DatabaseMetaData.importedKeyNoAction +
" ELSE NULL END AS DELETE_RULE, "+
"con.conname AS FK_NAME, pkic.relname AS PK_NAME, "+
"CASE "+
" WHEN con.condeferrable AND con.condeferred THEN " + DatabaseMetaData.importedKeyInitiallyDeferred +
" WHEN con.condeferrable THEN " + DatabaseMetaData.importedKeyInitiallyImmediate +
" ELSE " + DatabaseMetaData.importedKeyNotDeferrable+
" END AS DEFERRABILITY "+
" FROM "+
" pg_catalog.pg_namespace pkn, pg_catalog.pg_class pkc, pg_catalog.pg_attribute pka, "+
" pg_catalog.pg_namespace fkn, pg_catalog.pg_class fkc, pg_catalog.pg_attribute fka, "+
" pg_catalog.pg_constraint con, information_schema._pg_keypositions() pos(n), "+
" pg_catalog.pg_depend dep, pg_catalog.pg_class pkic "+
" WHERE pkn.oid = pkc.relnamespace AND pkc.oid = pka.attrelid AND pka.attnum = con.confkey[pos.n] AND con.confrelid = pkc.oid "+
" AND fkn.oid = fkc.relnamespace AND fkc.oid = fka.attrelid AND fka.attnum = con.conkey[pos.n] AND con.conrelid = fkc.oid "+
" AND con.contype = 'f' AND con.oid = dep.objid AND pkic.oid = dep.refobjid AND pkic.relkind = 'i' AND dep.classid = 'pg_constraint'::regclass::oid AND dep.refclassid = 'pg_class'::regclass::oid ";
if (primarySchema != null && !"".equals(primarySchema)) {
sql += " AND pkn.nspname = '"+escapeQuotes(primarySchema)+"' ";
}
if (foreignSchema != null && !"".equals(foreignSchema)) {
sql += " AND fkn.nspname = '"+escapeQuotes(foreignSchema)+"' ";
}
if (primaryTable != null && !"".equals(primaryTable)) {
sql += " AND pkc.relname = '"+escapeQuotes(primaryTable)+"' ";
}
if (foreignTable != null && !"".equals(foreignTable)) {
sql += " AND fkc.relname = '"+escapeQuotes(foreignTable)+"' ";
}
if (primaryTable != null) {
sql += " ORDER BY fkn.nspname,fkc.relname,pos.n";
} else {
sql += " ORDER BY pkn.nspname,pkc.relname,pos.n";
}
return connection.createStatement().executeQuery(sql);
} else if (connection.haveMinimumServerVersion("7.3")) {
select = "SELECT DISTINCT n1.nspname as pnspname,n2.nspname as fnspname, ";
from = " FROM pg_catalog.pg_namespace n1 "+
" JOIN pg_catalog.pg_class c1 ON (c1.relnamespace = n1.oid) "+