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Date: 2014-03-28 14:55:32 +0100
From: Martin van Dinther <<martin.van.dinther>>
To: clients devs <>
Version: 11.21.19 (Jul2015-SP4)
Last updated: 2016-08-04 18:27:25 +0200
Comment 19713
Date: 2014-03-28 14:55:32 +0100
From: Martin van Dinther <<martin.van.dinther>>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:27.0) Gecko/20100101 Firefox/27.0
Build Identifier:
In java/src/nl/cwi/monetdb/jdbc/MonetDatabaseMetaData.java the methods supportsConvert(), supportsConvert(int fromType, int toType) are NOT correctly implemented. They both return false which not correct.
In ODBC driver code (clients/odbc/driver/SQLGetInfo.c) these are implemented see: SQLGetInfo() for:
case SQL_CONVERT_BIGINT:
case SQL_CONVERT_BINARY:
case SQL_CONVERT_BIT:
case SQL_CONVERT_CHAR:
case SQL_CONVERT_DATE:
case SQL_CONVERT_DECIMAL:
case SQL_CONVERT_DOUBLE:
case SQL_CONVERT_FLOAT:
case SQL_CONVERT_INTEGER:
case SQL_CONVERT_INTERVAL_DAY_TIME:
case SQL_CONVERT_INTERVAL_YEAR_MONTH:
case SQL_CONVERT_LONGVARBINARY:
case SQL_CONVERT_LONGVARCHAR:
case SQL_CONVERT_NUMERIC:
case SQL_CONVERT_REAL:
case SQL_CONVERT_SMALLINT:
case SQL_CONVERT_TIME:
case SQL_CONVERT_TIMESTAMP:
case SQL_CONVERT_TINYINT:
case SQL_CONVERT_VARBINARY:
case SQL_CONVERT_VARCHAR:
nValue = SQL_CVT_BIGINT |
SQL_CVT_BINARY |
SQL_CVT_BIT |
SQL_CVT_CHAR |
SQL_CVT_DATE |
SQL_CVT_DECIMAL |
SQL_CVT_DOUBLE |
SQL_CVT_FLOAT |
SQL_CVT_INTEGER |
SQL_CVT_INTERVAL_DAY_TIME |
SQL_CVT_INTERVAL_YEAR_MONTH |
SQL_CVT_LONGVARBINARY |
SQL_CVT_LONGVARCHAR |
SQL_CVT_NUMERIC |
SQL_CVT_REAL |
SQL_CVT_SMALLINT |
SQL_CVT_TIME |
SQL_CVT_TIMESTAMP |
SQL_CVT_TINYINT |
SQL_CVT_VARBINARY |
SQL_CVT_VARCHAR;
len = sizeof(SQLUINTEGER);
break;
case SQL_CONVERT_FUNCTIONS:
nValue = SQL_FN_CVT_CAST | SQL_FN_CVT_CONVERT;
len = sizeof(SQLUINTEGER);
break;
MonetDatabaseMetaData.java needs to be updated for the mentioned methods.
Reproducible: Always
Steps to Reproduce:
start mserver5
start SQuirreL connecting to demo database
in Objects panel, select tab Metadata, search for property "supportsConvert". it shows value: false
Actual Results:
both methods return false
Expected Results:
method supportsConvert() should return true.
method supportsConvert(int fromType, int toType) should return true or false depending on the combination of fromType and toType.
SQL query which uses convert function:
SELECT DISTINCT type, convert(type, char(6)) as type_str, convert(type, double) as type_dbl, sql, convert(sql, int) as sql_int, convert(sql, char(5)) as sql_str
FROM SYS.FUNCTIONS
SQL query which uses cast function:
SELECT DISTINCT type, cast(type as char(5)) as type_str, cast(type as double) as type_dbl, sql, cast(sql as int) as sql_int, cast(sql as char(5)) as sql_str
FROM SYS.FUNCTIONS
Both SQL queries are accepted by MonetDB and produce output:
type type_str type_dbl sql sql_int sql_str
1 1 1 false 0 0
3 3 3 false 0 0
1 1 1 true 1 1
4 4 4 true 1 1
2 2 2 true 1 1
3 3 3 true 1 1
Implemented MonetDatabaseMetaData.supportsConvert() and
MonetDatabaseMetaData.supportsConvert(int fromType, int toType) methods.
It used to always return false. Now it returns true for the supported conversions.
This fixes Bug #3460.
Test script to test scalar functions convert(fromType, toType) and cast(fromType as toType)
for most MonetDB SQL data types and data values
See also Bug #3460.
Date: 2014-03-28 14:55:32 +0100
From: Martin van Dinther <<martin.van.dinther>>
To: clients devs <>
Version: 11.21.19 (Jul2015-SP4)
Last updated: 2016-08-04 18:27:25 +0200
Comment 19713
Date: 2014-03-28 14:55:32 +0100
From: Martin van Dinther <<martin.van.dinther>>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:27.0) Gecko/20100101 Firefox/27.0
Build Identifier:
In java/src/nl/cwi/monetdb/jdbc/MonetDatabaseMetaData.java the methods supportsConvert(), supportsConvert(int fromType, int toType) are NOT correctly implemented. They both return false which not correct.
In ODBC driver code (clients/odbc/driver/SQLGetInfo.c) these are implemented see: SQLGetInfo() for:
case SQL_CONVERT_BIGINT:
case SQL_CONVERT_BINARY:
case SQL_CONVERT_BIT:
case SQL_CONVERT_CHAR:
case SQL_CONVERT_DATE:
case SQL_CONVERT_DECIMAL:
case SQL_CONVERT_DOUBLE:
case SQL_CONVERT_FLOAT:
case SQL_CONVERT_INTEGER:
case SQL_CONVERT_INTERVAL_DAY_TIME:
case SQL_CONVERT_INTERVAL_YEAR_MONTH:
case SQL_CONVERT_LONGVARBINARY:
case SQL_CONVERT_LONGVARCHAR:
case SQL_CONVERT_NUMERIC:
case SQL_CONVERT_REAL:
case SQL_CONVERT_SMALLINT:
case SQL_CONVERT_TIME:
case SQL_CONVERT_TIMESTAMP:
case SQL_CONVERT_TINYINT:
case SQL_CONVERT_VARBINARY:
case SQL_CONVERT_VARCHAR:
nValue = SQL_CVT_BIGINT |
SQL_CVT_BINARY |
SQL_CVT_BIT |
SQL_CVT_CHAR |
SQL_CVT_DATE |
SQL_CVT_DECIMAL |
SQL_CVT_DOUBLE |
SQL_CVT_FLOAT |
SQL_CVT_INTEGER |
SQL_CVT_INTERVAL_DAY_TIME |
SQL_CVT_INTERVAL_YEAR_MONTH |
SQL_CVT_LONGVARBINARY |
SQL_CVT_LONGVARCHAR |
SQL_CVT_NUMERIC |
SQL_CVT_REAL |
SQL_CVT_SMALLINT |
SQL_CVT_TIME |
SQL_CVT_TIMESTAMP |
SQL_CVT_TINYINT |
SQL_CVT_VARBINARY |
SQL_CVT_VARCHAR;
len = sizeof(SQLUINTEGER);
break;
case SQL_CONVERT_FUNCTIONS:
nValue = SQL_FN_CVT_CAST | SQL_FN_CVT_CONVERT;
len = sizeof(SQLUINTEGER);
break;
MonetDatabaseMetaData.java needs to be updated for the mentioned methods.
Reproducible: Always
Steps to Reproduce:
Actual Results:
both methods return false
Expected Results:
method supportsConvert() should return true.
method supportsConvert(int fromType, int toType) should return true or false depending on the combination of fromType and toType.
SQL query which uses convert function:
SELECT DISTINCT type, convert(type, char(6)) as type_str, convert(type, double) as type_dbl, sql, convert(sql, int) as sql_int, convert(sql, char(5)) as sql_str
FROM SYS.FUNCTIONS
SQL query which uses cast function:
SELECT DISTINCT type, cast(type as char(5)) as type_str, cast(type as double) as type_dbl, sql, cast(sql as int) as sql_int, cast(sql as char(5)) as sql_str
FROM SYS.FUNCTIONS
Both SQL queries are accepted by MonetDB and produce output:
type type_str type_dbl sql sql_int sql_str
1 1 1 false 0 0
3 3 3 false 0 0
1 1 1 true 1 1
4 4 4 true 1 1
2 2 2 true 1 1
3 3 3 true 1 1
Comment 22157
Date: 2016-05-19 19:28:38 +0200
From: MonetDB Mercurial Repository <>
Changeset 67d578e84e0b made by Martin van Dinther martin.van.dinther@monetdbsolutions.com in the MonetDB repo, refers to this bug.
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=67d578e84e0b
Changeset description:
Comment 22248
Date: 2016-07-14 17:44:46 +0200
From: MonetDB Mercurial Repository <>
Changeset 76af7753bd2e made by Martin van Dinther martin.van.dinther@monetdbsolutions.com in the MonetDB repo, refers to this bug.
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=76af7753bd2e
Changeset description:
Comment 22282
Date: 2016-08-04 18:27:25 +0200
From: MonetDB Mercurial Repository <>
Changeset 517709436cea made by Martin van Dinther martin.van.dinther@monetdbsolutions.com in the MonetDB repo, refers to this bug.
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=517709436cea
Changeset description:
The text was updated successfully, but these errors were encountered: