Added regression test for DescRec functions

test/expected/descrec.out

@@ -0,0 +1,34 @@
+connected
+
+-- Column 1 --
+SQL_DESC_NAME: col1
+SQL_DESC_TYPE: 4
+SQL_DESC_OCTET_LENGTH: 0
+SQL_DESC_PRECISION: 0
+SQL_DESC_SCALE: 0
+SQL_DESC_NULLABLE: 0
+
+-- Column 2 --
+SQL_DESC_NAME: col2
+SQL_DESC_TYPE: 2
+SQL_DESC_OCTET_LENGTH: 6
+SQL_DESC_PRECISION: 4
+SQL_DESC_SCALE: 2
+SQL_DESC_NULLABLE: 1
+
+-- Column 3 --
+SQL_DESC_NAME: col3
+SQL_DESC_TYPE: 12
+SQL_DESC_OCTET_LENGTH: 40
+SQL_DESC_PRECISION: 0
+SQL_DESC_SCALE: 0
+SQL_DESC_NULLABLE: 0
+
+-- Column 4 --
+SQL_DESC_NAME: col4
+SQL_DESC_TYPE: -5
+SQL_DESC_OCTET_LENGTH: 8
+SQL_DESC_PRECISION: 0
+SQL_DESC_SCALE: 0
+SQL_DESC_NULLABLE: 0
+disconnecting

test/expected/descrec_1.out

@@ -0,0 +1,34 @@
+connected
+
+-- Column 1 --
+SQL_DESC_NAME: col1
+SQL_DESC_TYPE: 4
+SQL_DESC_OCTET_LENGTH: 0
+SQL_DESC_PRECISION: 0
+SQL_DESC_SCALE: 0
+SQL_DESC_NULLABLE: 0
+
+-- Column 2 --
+SQL_DESC_NAME: col2
+SQL_DESC_TYPE: 2
+SQL_DESC_OCTET_LENGTH: 6
+SQL_DESC_PRECISION: 4
+SQL_DESC_SCALE: 2
+SQL_DESC_NULLABLE: 1
+
+-- Column 3 --
+SQL_DESC_NAME: col3
+SQL_DESC_TYPE: 12
+SQL_DESC_OCTET_LENGTH: 20
+SQL_DESC_PRECISION: 0
+SQL_DESC_SCALE: 0
+SQL_DESC_NULLABLE: 0
+
+-- Column 4 --
+SQL_DESC_NAME: col4
+SQL_DESC_TYPE: -5
+SQL_DESC_OCTET_LENGTH: 8
+SQL_DESC_PRECISION: 0
+SQL_DESC_SCALE: 0
+SQL_DESC_NULLABLE: 0
+disconnecting

test/src/descrec-test.c

@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+int main(int argc, char **argv)
+{
+	SQLRETURN rc;
+	HSTMT hstmt = SQL_NULL_HSTMT;
+    SQLSMALLINT colcount;
+    SQLHDESC hDesc;
+    SQLCHAR name[64];
+    SQLSMALLINT nameLen = 64;
+    SQLSMALLINT type, subType;
+    SQLSMALLINT precision, scale, nullable;
+    SQLLEN length;
+
+	test_connect();
+
+	rc = SQLAllocHandle(SQL_HANDLE_STMT, conn, &hstmt);
+	if (!SQL_SUCCEEDED(rc))
+	{
+		print_diag("failed to allocate stmt handle", SQL_HANDLE_DBC, conn);
+		exit(1);
+	}
+
+	/* Prepare a test table */
+	rc = SQLExecDirect(hstmt, (SQLCHAR *) "CREATE TEMPORARY TABLE desctable (col1 int4 not null, col2 numeric(4,2), col3 varchar(10) not null, col4 bigint not null)", SQL_NTS);
+	CHECK_STMT_RESULT(rc, "SQLExecDirect failed while creating temp table", hstmt);
+
+	/* Prepare a statement */
+	rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT * FROM desctable", SQL_NTS);
+	CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
+
+    /* Execute */
+	rc = SQLExecute(hstmt);
+	CHECK_STMT_RESULT(rc, "SQLExecute failed", hstmt);
+
+	rc = SQLNumResultCols(hstmt, &colcount);
+	CHECK_STMT_RESULT(rc, "SQLNumResultCols failed", hstmt);
+
+    /* Get the descriptor handle */
+    rc = SQLGetStmtAttr(hstmt, SQL_ATTR_IMP_ROW_DESC, &hDesc, 0, NULL);
+    CHECK_STMT_RESULT(rc, "SQLGetStmtAttr failed", hstmt);
+
+    for (int i = 1; i <= colcount; i++)
+    {
+        rc = SQLGetDescRec(hDesc, i, name, nameLen, NULL, &type, &subType, &length, &precision, &scale, &nullable);
+        if (!SQL_SUCCEEDED(rc))
+        {
+            print_diag("SQLGetDescRec failed", SQL_HANDLE_DESC, hDesc);
+            exit(1);
+        }
+
+        printf("\n-- Column %d --\n", i);
+        printf("SQL_DESC_NAME: %s\n", name);
+        printf("SQL_DESC_TYPE: %d\n", type);
+        printf("SQL_DESC_OCTET_LENGTH: %d\n", (int) length);
+        printf("SQL_DESC_PRECISION: %d\n", precision);
+        printf("SQL_DESC_SCALE: %d\n", scale);
+        printf("SQL_DESC_NULLABLE: %d\n", nullable);
+    }
+
+	rc = SQLFreeStmt(hstmt, SQL_CLOSE);
+	CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
+
+	/* Clean up */
+	test_disconnect();
+
+	return 0;
+}

test/tests

@@ -53,4 +53,5 @@ TESTBINS = exe/connect-test \
 	exe/odbc-escapes-test \
 	exe/wchar-char-test \
 	exe/params-batch-exec-test \
-	exe/fetch-refcursors-test
+	exe/fetch-refcursors-test \
+	exe/descrec-test