Postgresql-odbc [updated] Link

// In prepared.c typedef struct StatementCacheEntry char *statement_name; char *sql; PGresult *prepared_result; time_t last_used; int use_count; struct StatementCacheEntry *next; StatementCacheEntry; static StatementCacheEntry *statement_cache = NULL;

void end_query_trace(StatementInfo_ *stmt) if (stmt->perf_metrics) stmt->perf_metrics->query_end_time = get_current_time_ms(); uint64_t duration = stmt->perf_metrics->query_end_time - stmt->perf_metrics->query_start_time; postgresql-odbc

// In convert.c SQLRETURN convert_jsonb_to_c( const char *value, SQLSMALLINT target_type, void *target_value, SQLLEN *target_len) // In prepared

Build Environment # Clone the repository git clone https://github.com/postgres/postgresql-odbc.git cd postgresql-odbc Configure with debug options ./configure --enable-debug --enable-unicode CFLAGS="-g -O0" Build make clean make make install Testing Your Feature // Add test in test/test_feature.c void test_new_connection_parameter() SQLHDBC hdbc; SQLRETURN ret; // Test connection with new parameter ret = SQLConnect(hdbc, (SQLCHAR*)"DSN=PostgreSQL;MyNewFeature=1", SQL_NTS, NULL, 0, NULL, 0); struct StatementCacheEntry *next

return SQL_SUCCESS; // In performance.c - new file for performance features typedef struct uint64_t query_start_time; uint64_t query_end_time; char last_query[4096]; int slow_query_threshold_ms; PerformanceMetrics; void start_query_trace(StatementInfo_ *stmt, const char *query) if (stmt->perf_metrics) stmt->perf_metrics->query_start_time = get_current_time_ms(); strncpy(stmt->perf_metrics->last_query, query, sizeof(stmt->perf_metrics->last_query) - 1);