[C++][FlightRPC][ODBC] Fix inconsistent values in SQLGetInfo in global connection

Describe the enhancement requested

When tests use a global connection, it is revealed that ODBC flightsql-odbc backend has a bug where SQLGetInfo returns inconsistent values for these 3 attributes:

SQL_CATALOG_LOCATION
SQL_DROP_TABLE
SQL_DROP_SCHEMA

Test case with SQL_CATALOG_LOCATION is reproducible on remote OS Dremio instance, and test cases SQL_DROP_TABLE, and SQL_DROP_SCHEMA are reproducible on mock server

Code to reproduce:

arrow/cpp/src/arrow/flight/sql/odbc/tests/connection_info_test.cc

Lines 584 to 589 in dbbf7cf

    
           TYPED_TEST(ConnectionInfoTest, TestSQLGetInfoCatalogLocation) { 
        
             SQLUSMALLINT value; 
        
             GetInfo(this->conn, SQL_CATALOG_LOCATION, &value); 
        
             EXPECT_EQ(static_cast<SQLUSMALLINT>(0), value); 
        
           }

arrow/cpp/src/arrow/flight/sql/odbc/tests/connection_info_test.cc

Lines 710 to 715 in dbbf7cf

    
           TYPED_TEST(ConnectionInfoTest, TestSQLGetInfoDropSchema) { 
        
             SQLUINTEGER value; 
        
             GetInfo(this->conn, SQL_DROP_SCHEMA, &value); 
        
             EXPECT_EQ(static_cast<SQLUINTEGER>(0), value); 
        
           }

arrow/cpp/src/arrow/flight/sql/odbc/tests/connection_info_test.cc

Lines 717 to 722 in dbbf7cf

    
           TYPED_TEST(ConnectionInfoTest, TestSQLGetInfoDropTable) { 
        
             SQLUINTEGER value; 
        
             GetInfo(this->conn, SQL_DROP_TABLE, &value); 
        
             EXPECT_EQ(static_cast<SQLUINTEGER>(0), value); 
        
           }

Parent issue: #30622

Component(s)

C++, FlightRPC

apacheGH-49482: fix inconsistent SQLGetInfo values in global connection

apacheGH-49482: remove premature SQL_DROP_SCHEMA/TABLE cache defaults…

GH-49482: [C++][FlightRPC][ODBC] Fix inconsistent SQLGetInfo values i…

Issue resolved by pull request 50021
#50021

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[C++][FlightRPC][ODBC] Fix inconsistent values in SQLGetInfo in global connection #49482

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	TYPED_TEST(ConnectionInfoTest, TestSQLGetInfoCatalogLocation) {
	SQLUSMALLINT value;
	GetInfo(this->conn, SQL_CATALOG_LOCATION, &value);

	EXPECT_EQ(static_cast<SQLUSMALLINT>(0), value);
	}

	TYPED_TEST(ConnectionInfoTest, TestSQLGetInfoDropSchema) {
	SQLUINTEGER value;
	GetInfo(this->conn, SQL_DROP_SCHEMA, &value);

	EXPECT_EQ(static_cast<SQLUINTEGER>(0), value);
	}

	TYPED_TEST(ConnectionInfoTest, TestSQLGetInfoDropTable) {
	SQLUINTEGER value;
	GetInfo(this->conn, SQL_DROP_TABLE, &value);

	EXPECT_EQ(static_cast<SQLUINTEGER>(0), value);
	}

[C++][FlightRPC][ODBC] Fix inconsistent values in SQLGetInfo in global connection #49482

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lidavidm commented on Aug 9, 2026

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