Mercurial > hg > monetdb-java

changeset 827:b2cbe866d020

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Enhanced DatabaseMetaData.getTables() method by adding support for SQL table type names: 'BASE TABLE', 'GLOBAL TEMPORARY' and 'LOCAL TEMPORARY' in parameter types[]. These are SQL synonyms of MonetDB table type names: 'TABLE', 'GLOBAL TEMPORARY TABLE' and 'LOCAL TEMPORARY TABLE'.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Wed, 20 Dec 2023 19:10:17 +0100 (16 months ago)
parents 1074ad1a4c63
children be78e5a8c9cd
files ChangeLog src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java tests/JDBC_API_Tester.java
diffstat 3 files changed, 23 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog file for monetdb-java
 # This file is updated with Maddlog
 
+* Wed Dec 20 2023 Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
+- Enhanced DatabaseMetaData.getTables() method by adding support for SQL
+  table type names: 'BASE TABLE', 'GLOBAL TEMPORARY' and 'LOCAL TEMPORARY'
+  in parameter types[].  These are SQL synonyms of MonetDB table type names:
+  'TABLE', 'GLOBAL TEMPORARY TABLE' and 'LOCAL TEMPORARY TABLE'.
+
 * Thu Dec 14 2023 Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
 - In ResultSet.getObject() method added support for retrieving
   TIMESTAMP WITH TIME ZONE data as java.time.OffsetDateTime object
--- a/src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java
+++ b/src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java
@@ -1932,12 +1932,26 @@ public final class MonetDatabaseMetaData
 		if (types != null && types.length > 0) {
 			query.append(needWhere ? "WHERE" : " AND").append(" tt.\"table_type_name\" IN (");
 			for (int i = 0; i < types.length; i++) {
+				String tabletype = types[i];
+				/* Some JDBC applications use different table type names.
+				 * Replace some SQL synonyms to valid MonetDB
+				 * table type names as defined in sys.table_types */
+				if ("BASE TABLE".equals(tabletype)) {
+					tabletype = "TABLE";
+				} else
+				if ("GLOBAL TEMPORARY".equals(tabletype)) {
+					tabletype = "GLOBAL TEMPORARY TABLE";
+				} else
+				if ("LOCAL TEMPORARY".equals(tabletype)) {
+					tabletype = "LOCAL TEMPORARY TABLE";
+				}
 				if (i > 0) {
 					query.append(',');
 				}
-				query.append('\'').append(types[i]).append('\'');
+				query.append('\'').append(tabletype).append('\'');
 			}
 			query.append(')');
+			// for debug: System.out.println("SQL (len " + query.length() + "): " + query);
 		}
 
 		query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\"");
--- a/tests/JDBC_API_Tester.java
+++ b/tests/JDBC_API_Tester.java
@@ -1157,7 +1157,8 @@ final public class JDBC_API_Tester {
 			"null	jdbctst	pk2c	TABLE	null	null	null	null	null	null\n" +
 			"null	jdbctst	pk_uc	TABLE	jdbctst.pk_uc table comment	null	null	null	null	null\n");
 
-			compareResultSet(dbmd.getTables(null, "tmp", "tlargechar", null), "getTables(null, tmp, tlargechar, null)",
+			String tabletypes[] = {"BASE TABLE", "LOCAL TEMPORARY", "GLOBAL TEMPORARY"};
+			compareResultSet(dbmd.getTables(null, "tmp", "tlargechar", tabletypes), "getTables(null, tmp, tlargechar, tabletypes)",
 			"Resultset with 10 columns\n" +
 			"TABLE_CAT	TABLE_SCHEM	TABLE_NAME	TABLE_TYPE	REMARKS	TYPE_CAT	TYPE_SCHEM	TYPE_NAME	SELF_REFERENCING_COL_NAME	REF_GENERATION\n" +
 			"char(1)	varchar(1024)	varchar(1024)	varchar(25)	varchar(1048576)	char(1)	char(1)	char(1)	char(1)	char(1)\n" +