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From 14b61d48e8bad6223a08843cf363ef48f09c479b Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Fri, 11 Oct 2019 20:53:49 +0200
Subject: [PATCH] QPSQL: Add support for PostgreSQL 12
Add proper version check and replace long deprecated and now removed
access to pg_attrdef.adsrc.
[ChangeLog][QtSql][QPSQL] added support for PostgreSQL 12
Fixes: QTBUG-79033
Fixes: QTBUG-79064
Change-Id: Iec1b13945c34ea017139ad1c5539ab5b7f1e03aa
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
---
src/plugins/sqldrivers/psql/qsql_psql.cpp | 43 +++++++++++++++++--------------
src/plugins/sqldrivers/psql/qsql_psql_p.h | 1 +
2 files changed, 25 insertions(+), 19 deletions(-)
diff --git a/src/plugins/sqldrivers/psql/qsql_psql.cpp b/src/plugins/sqldrivers/psql/qsql_psql.cpp
index 3803f05b9f9..760685f64b4 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql.cpp
+++ b/src/plugins/sqldrivers/psql/qsql_psql.cpp
@@ -1078,8 +1078,10 @@ static QPSQLDriver::Protocol qMakePSQLVersion(int vMaj, int vMin)
return QPSQLDriver::Version10;
case 11:
return QPSQLDriver::Version11;
+ case 12:
+ return QPSQLDriver::Version12;
default:
- if (vMaj > 11)
+ if (vMaj > 12)
return QPSQLDriver::UnknownLaterVersion;
break;
}
@@ -1439,26 +1441,29 @@ QSqlRecord QPSQLDriver::record(const QString &tablename) const
schema = stripDelimiters(schema, QSqlDriver::TableName);
tbl = stripDelimiters(tbl, QSqlDriver::TableName);
- QString stmt = QStringLiteral("SELECT pg_attribute.attname, pg_attribute.atttypid::int, "
- "pg_attribute.attnotnull, pg_attribute.attlen, pg_attribute.atttypmod, "
- "pg_attrdef.adsrc "
- "FROM pg_class, pg_attribute "
- "LEFT JOIN pg_attrdef ON (pg_attrdef.adrelid = "
- "pg_attribute.attrelid AND pg_attrdef.adnum = pg_attribute.attnum) "
- "WHERE %1 "
- "AND pg_class.relname = '%2' "
- "AND pg_attribute.attnum > 0 "
- "AND pg_attribute.attrelid = pg_class.oid "
- "AND pg_attribute.attisdropped = false "
- "ORDER BY pg_attribute.attnum");
- if (schema.isEmpty())
- stmt = stmt.arg(QStringLiteral("pg_table_is_visible(pg_class.oid)"));
- else
- stmt = stmt.arg(QStringLiteral("pg_class.relnamespace = (SELECT oid FROM "
- "pg_namespace WHERE pg_namespace.nspname = '%1')").arg(schema));
+ const QString adsrc = protocol() < Version8
+ ? QStringLiteral("pg_attrdef.adsrc")
+ : QStringLiteral("pg_get_expr(pg_attrdef.adbin, pg_attrdef.adrelid)");
+ const QString nspname = schema.isEmpty()
+ ? QStringLiteral("pg_table_is_visible(pg_class.oid)")
+ : QStringLiteral("pg_class.relnamespace = (SELECT oid FROM "
+ "pg_namespace WHERE pg_namespace.nspname = '%1')").arg(schema);
+ const QString stmt =
+ QStringLiteral("SELECT pg_attribute.attname, pg_attribute.atttypid::int, "
+ "pg_attribute.attnotnull, pg_attribute.attlen, pg_attribute.atttypmod, "
+ "%1 "
+ "FROM pg_class, pg_attribute "
+ "LEFT JOIN pg_attrdef ON (pg_attrdef.adrelid = "
+ "pg_attribute.attrelid AND pg_attrdef.adnum = pg_attribute.attnum) "
+ "WHERE %2 "
+ "AND pg_class.relname = '%3' "
+ "AND pg_attribute.attnum > 0 "
+ "AND pg_attribute.attrelid = pg_class.oid "
+ "AND pg_attribute.attisdropped = false "
+ "ORDER BY pg_attribute.attnum").arg(adsrc, nspname, tbl);
QSqlQuery query(createResult());
- query.exec(stmt.arg(tbl));
+ query.exec(stmt);
while (query.next()) {
int len = query.value(3).toInt();
int precision = query.value(4).toInt();
diff --git a/src/plugins/sqldrivers/psql/qsql_psql_p.h b/src/plugins/sqldrivers/psql/qsql_psql_p.h
index 99e0b5f60f5..9ac1fb50d79 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql_p.h
+++ b/src/plugins/sqldrivers/psql/qsql_psql_p.h
@@ -93,6 +93,7 @@ public:
Version9_6 = 22,
Version10 = 23,
Version11 = 24,
+ Version12 = 25,
UnknownLaterVersion = 100000
};
--
2.16.3
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