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[jOOQ/jOOQ#18618] NClobBinding should revert to ordinary String usage when JDBC driver doesn't support NClob

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This commit is contained in:
Lukas Eder 2025-06-17 09:45:10 +02:00
parent e54f9574b3
commit 2a43c70258
1 changed files with 70 additions and 21 deletions
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91
jOOQ/src/main/java/org/jooq/impl/NClobBinding.java
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@ -37,6 +37,9 @@
*/
package org.jooq.impl;
import static org.jooq.impl.ClobBinding.NO_SUPPORT_LOBS;
import static org.jooq.impl.ClobBinding.NO_SUPPORT_NULL_LOBS;
import static org.jooq.impl.DefaultBinding.InternalBinding.NO_SUPPORT_NVARCHAR;
import static org.jooq.impl.DefaultExecuteContext.localConnection;
import static org.jooq.impl.DefaultExecuteContext.localTargetConnection;
import static org.jooq.impl.Tools.asInt;
@ -72,6 +75,8 @@ import org.jooq.tools.jdbc.JDBCUtils;
*/
public class NClobBinding implements Binding<String, String> {
final ClobBinding clobBinding = new ClobBinding();
@Override
public final Converter<String, String> converter() {
return Converters.identity(String.class);
@ -87,53 +92,97 @@ public class NClobBinding implements Binding<String, String> {
@Override
public final void register(BindingRegisterContext<String> ctx) throws SQLException {
ctx.statement().registerOutParameter(ctx.index(), Types.NCLOB);
if (NO_SUPPORT_NVARCHAR.contains(ctx.dialect()))
clobBinding.register(ctx);
else if (!NO_SUPPORT_LOBS.contains(ctx.dialect()))
ctx.statement().registerOutParameter(ctx.index(), Types.NCLOB);
else
ctx.statement().registerOutParameter(ctx.index(), Types.NVARCHAR);
}
@Override
public final void set(BindingSetStatementContext<String> ctx) throws SQLException {
ctx.statement().setClob(ctx.index(), newNClob(ctx, ctx.value()));
if (NO_SUPPORT_NVARCHAR.contains(ctx.dialect())) {
clobBinding.set(ctx);
}
else if (!NO_SUPPORT_LOBS.contains(ctx.dialect())) {
NClob clob = newNClob(ctx, ctx.value());
// [#14067] Workaround for Firebird bug https://github.com/FirebirdSQL/jaybird/issues/712
if (clob == null && NO_SUPPORT_NULL_LOBS.contains(ctx.dialect()))
ctx.statement().setNull(ctx.index(), Types.NCLOB);
else
ctx.statement().setNClob(ctx.index(), clob);
}
else
ctx.statement().setNString(ctx.index(), ctx.value());
}
@Override
public final void set(BindingSetSQLOutputContext<String> ctx) throws SQLException {
ctx.output().writeClob(newNClob(ctx, ctx.value()));
if (NO_SUPPORT_NVARCHAR.contains(ctx.dialect()))
clobBinding.set(ctx);
else if (!NO_SUPPORT_LOBS.contains(ctx.dialect()))
ctx.output().writeNClob(newNClob(ctx, ctx.value()));
else
ctx.output().writeNString(ctx.value());
}
@Override
public final void get(BindingGetResultSetContext<String> ctx) throws SQLException {
NClob clob = ctx.resultSet().getNClob(ctx.index());
if (NO_SUPPORT_NVARCHAR.contains(ctx.dialect())) {
clobBinding.get(ctx);
}
else if (!NO_SUPPORT_LOBS.contains(ctx.dialect())) {
NClob clob = ctx.resultSet().getNClob(ctx.index());
try {
ctx.value(clob == null ? null : clob.getSubString(1, asInt(clob.length())));
}
finally {
JDBCUtils.safeFree(clob);
try {
ctx.value(clob == null ? null : clob.getSubString(1, asInt(clob.length())));
}
finally {
JDBCUtils.safeFree(clob);
}
}
else
ctx.value(ctx.resultSet().getNString(ctx.index()));
}
@Override
public final void get(BindingGetStatementContext<String> ctx) throws SQLException {
NClob clob = ctx.statement().getNClob(ctx.index());
if (NO_SUPPORT_NVARCHAR.contains(ctx.dialect())) {
clobBinding.get(ctx);
}
else if (!NO_SUPPORT_LOBS.contains(ctx.dialect())) {
NClob clob = ctx.statement().getNClob(ctx.index());
try {
ctx.value(clob == null ? null : clob.getSubString(1, asInt(clob.length())));
}
finally {
JDBCUtils.safeFree(clob);
try {
ctx.value(clob == null ? null : clob.getSubString(1, asInt(clob.length())));
}
finally {
JDBCUtils.safeFree(clob);
}
}
else
ctx.value(ctx.statement().getNString(ctx.index()));
}
@Override
public final void get(BindingGetSQLInputContext<String> ctx) throws SQLException {
NClob clob = ctx.input().readNClob();
if (NO_SUPPORT_NVARCHAR.contains(ctx.dialect())) {
clobBinding.get(ctx);
}
else if (!NO_SUPPORT_LOBS.contains(ctx.dialect())) {
NClob clob = ctx.input().readNClob();
try {
ctx.value(clob == null ? null : clob.getSubString(1, asInt(clob.length())));
}
finally {
JDBCUtils.safeFree(clob);
try {
ctx.value(clob == null ? null : clob.getSubString(1, asInt(clob.length())));
}
finally {
JDBCUtils.safeFree(clob);
}
}
else
ctx.value(ctx.input().readNString());
}
static final NClob newNClob(ResourceManagingScope scope, String string) throws SQLException {