diff options
Diffstat (limited to 'src/interfaces/libpq/libpq-int.h')
| -rw-r--r-- | src/interfaces/libpq/libpq-int.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/interfaces/libpq/libpq-int.h b/src/interfaces/libpq/libpq-int.h index e1018adb9e5..4db498369c7 100644 --- a/src/interfaces/libpq/libpq-int.h +++ b/src/interfaces/libpq/libpq-int.h @@ -522,7 +522,11 @@ struct pg_conn * connection */ #endif - /* Buffer for current error message */ + /* + * Buffer for current error message. This is cleared at the start of any + * connection attempt or query cycle; after that, all code should append + * messages to it, never overwrite. + */ PQExpBufferData errorMessage; /* expansible string */ /* Buffer for receiving various parts of messages */ @@ -600,7 +604,6 @@ extern pgthreadlock_t pg_g_threadlock; /* === in fe-exec.c === */ extern void pqSetResultError(PGresult *res, const char *msg); -extern void pqCatenateResultError(PGresult *res, const char *msg); extern void *pqResultAlloc(PGresult *res, size_t nBytes, bool isBinary); extern char *pqResultStrdup(PGresult *res, const char *str); extern void pqClearAsyncResult(PGconn *conn); @@ -612,6 +615,7 @@ extern void pqSaveMessageField(PGresult *res, char code, extern void pqSaveParameterStatus(PGconn *conn, const char *name, const char *value); extern int pqRowProcessor(PGconn *conn, const char **errmsgp); +extern int PQsendQueryContinue(PGconn *conn, const char *query); /* === in fe-protocol2.c === */ @@ -708,7 +712,7 @@ extern void pgtls_init_library(bool do_ssl, int do_crypto); * The conn parameter is only used to be able to pass back an error * message - no connection-local setup is made here. * - * Returns 0 if OK, -1 on failure (with a message in conn->errorMessage). + * Returns 0 if OK, -1 on failure (adding a message to conn->errorMessage). */ extern int pgtls_init(PGconn *conn); @@ -725,8 +729,8 @@ extern void pgtls_close(PGconn *conn); /* * Read data from a secure connection. * - * On failure, this function is responsible for putting a suitable message - * into conn->errorMessage. The caller must still inspect errno, but only + * On failure, this function is responsible for appending a suitable message + * to conn->errorMessage. The caller must still inspect errno, but only * to determine whether to continue/retry after error. */ extern ssize_t pgtls_read(PGconn *conn, void *ptr, size_t len); @@ -739,8 +743,8 @@ extern bool pgtls_read_pending(PGconn *conn); /* * Write data to a secure connection. * - * On failure, this function is responsible for putting a suitable message - * into conn->errorMessage. The caller must still inspect errno, but only + * On failure, this function is responsible for appending a suitable message + * to conn->errorMessage. The caller must still inspect errno, but only * to determine whether to continue/retry after error. */ extern ssize_t pgtls_write(PGconn *conn, const void *ptr, size_t len); |