Changeset: ce6bc9908735 for monetdb-java
URL: https://dev.monetdb.org/hg/monetdb-java/rev/ce6bc9908735
Modified Files:
src/main/java/org/monetdb/jdbc/MonetConnection.java
Branch: default
Log Message:
Add utility method checkMinimumDBVersion(int major, int minor). Will be used in
more classes.
diffs (58 lines):
diff --git a/src/main/java/org/monetdb/jdbc/MonetConnection.java
b/src/main/java/org/monetdb/jdbc/MonetConnection.java
--- a/src/main/java/org/monetdb/jdbc/MonetConnection.java
+++ b/src/main/java/org/monetdb/jdbc/MonetConnection.java
@@ -1727,10 +1727,11 @@ public class MonetConnection
// as of release Jun2020 (11.37.7) the function
sys.settimeout(secs bigint)
// is deprecated and replaced by new
sys.setquerytimeout(secs int)
- if ((getDatabaseMajorVersion() == 11) &&
(getDatabaseMinorVersion() < 37))
+ if (checkMinimumDBVersion(11, 37))
+ callstmt = "CALL sys.\"setquerytimeout\"(" +
seconds + ")";
+ else
callstmt = "CALL sys.\"settimeout\"(" + seconds
+ ")";
- else
- callstmt = "CALL sys.\"setquerytimeout\"(" +
seconds + ")";
+
// for debug: System.out.println("Before: " + callstmt);
st = createStatement();
st.execute(callstmt);
@@ -1955,22 +1956,30 @@ public class MonetConnection
}
/**
+ * Utility method to check if connected server matches or is higher
than a requested version.
+ *
+ * @param major dbserver major version number.
+ * @param minor dbserver minor version number.
+ * @return true when the server version is higher or equal to the
major.minor else false.
+ */
+ boolean checkMinimumDBVersion(int major, int minor) {
+ try {
+ if ((getDatabaseMinorVersion() >= minor) &&
(getDatabaseMajorVersion() == major))
+ return true;
+ } catch (SQLException e) { /* ignore */ }
+ return false;
+ }
+
+ /**
* Get whether the MonetDB SQL parser supports ODBC/JDBC escape
sequence syntax.
* See also:
https://docs.oracle.com/javadb/10.6.2.1/ref/rrefjdbc1020262.html
- * It does when the server version is 11.46 or higher.
+ * It does when the server version is 11.47 (Jun2023) or higher.
* This method is called from: MonetDatabaseMetaData and
MonetCallableStatement.
*
* @return true when the server supports ODBC/JDBC escape sequence
syntax else false.
*/
boolean supportsEscapeSequenceSyntax() {
- try {
- if ((getDatabaseMajorVersion() == 11) &&
(getDatabaseMinorVersion() <= 45))
- // older servers do not support it
- return false;
- } catch (SQLException e) {
- return false;
- }
- return true;
+ return checkMinimumDBVersion(11, 47);
}
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