public PostgreDataType getDataType(String typeName) {
if (typeName.endsWith("[]")) {
// In some cases ResultSetMetadata returns it as []
typeName = "_" + typeName.substring(0, typeName.length() - 2);
}
String alias = PostgreConstants.DATA_TYPE_ALIASES.get(typeName);
if (alias != null) {
typeName = alias;
}
{
// First check system catalog
final PostgreSchema schema = getCatalogSchema();
if (schema != null) {
final PostgreDataType dataType = schema.dataTypeCache.getCachedObject(typeName);
if (dataType != null) {
return dataType;
}
}
}
// Check schemas in search path
final List<String> searchPath = dataSource.getSearchPath();
for (String schemaName : searchPath) {
final PostgreSchema schema = schemaCache.getCachedObject(schemaName);
if (schema != null) {
final PostgreDataType dataType = schema.dataTypeCache.getCachedObject(typeName);
if (dataType != null) {
return dataType;
}
}
}
// Check the rest
for (PostgreSchema schema : schemaCache.getCachedObjects()) {
if (searchPath.contains(schema.getName())) {
continue;
}
final PostgreDataType dataType = schema.dataTypeCache.getCachedObject(typeName);
if (dataType != null) {
return dataType;
}
}
log.debug("Data type '" + typeName + "' not found in database '" + getName() + "'");
return null;
}
@NotNull
@Override
public JDBCStatement prepareLookupStatement(
@NotNull JDBCSession session,
@NotNull PostgreDatabase database,
@Nullable PostgreSchema object,
@Nullable String objectName)
throws SQLException {
/*
// Do not apply filters
// We need all schemas to have access to types
return session.prepareStatement(
"SELECT n.oid,n.* FROM pg_catalog.pg_namespace n ORDER BY nspname");
*/
StringBuilder catalogQuery =
new StringBuilder("SELECT n.oid,n.* FROM pg_catalog.pg_namespace n");
DBSObjectFilter catalogFilters =
database.getDataSource().getContainer().getObjectFilter(PostgreSchema.class, null, false);
if ((catalogFilters != null && !catalogFilters.isNotApplicable())
|| object != null
|| objectName != null) {
if (object != null || objectName != null) {
catalogFilters = new DBSObjectFilter();
catalogFilters.addInclude(object != null ? object.getName() : objectName);
} else {
catalogFilters = new DBSObjectFilter(catalogFilters);
// Always read catalog schema
catalogFilters.addInclude(PostgreConstants.CATALOG_SCHEMA_NAME);
}
JDBCUtils.appendFilterClause(catalogQuery, catalogFilters, "nspname", true);
}
catalogQuery.append(" ORDER BY nspname");
JDBCPreparedStatement dbStat = session.prepareStatement(catalogQuery.toString());
if (catalogFilters != null) {
JDBCUtils.setFilterParameters(dbStat, 1, catalogFilters);
}
return dbStat;
}