diff options
Diffstat (limited to 'src/interfaces/ecpg/ecpglib/prepare.c')
-rw-r--r-- | src/interfaces/ecpg/ecpglib/prepare.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/interfaces/ecpg/ecpglib/prepare.c b/src/interfaces/ecpg/ecpglib/prepare.c index 0ef85c9de18..83de5e88b1e 100644 --- a/src/interfaces/ecpg/ecpglib/prepare.c +++ b/src/interfaces/ecpg/ecpglib/prepare.c @@ -56,6 +56,60 @@ isvarchar(unsigned char c) return false; } +bool +ecpg_register_prepared_stmt(struct statement *stmt) +{ + struct statement *prep_stmt; + struct prepared_statement *this; + struct connection *con = NULL; + struct prepared_statement *prev = NULL; + char *real_connection_name; + int lineno = stmt->lineno; + + real_connection_name = ecpg_get_con_name_by_declared_name(stmt->name); + if (real_connection_name == NULL) + real_connection_name = stmt->connection->name; + + con = ecpg_get_connection(real_connection_name); + if (!ecpg_init(con, real_connection_name, stmt->lineno)) + return false; + + /* check if we already have prepared this statement */ + this = ecpg_find_prepared_statement(stmt->name, con, &prev); + if (this && !deallocate_one(lineno, ECPG_COMPAT_PGSQL, con, prev, this)) + return false; + + /* allocate new statement */ + this = (struct prepared_statement *) ecpg_alloc(sizeof(struct prepared_statement), lineno); + if (!this) + return false; + + prep_stmt = (struct statement *) ecpg_alloc(sizeof(struct statement), lineno); + if (!stmt) + { + ecpg_free(this); + return false; + } + memset(prep_stmt, 0, sizeof(struct statement)); + + /* create statement */ + prep_stmt->lineno = lineno; + prep_stmt->connection = con; + prep_stmt->command = ecpg_strdup(stmt->command, lineno); + prep_stmt->inlist = prep_stmt->outlist = NULL; + this->name = ecpg_strdup(stmt->name, lineno); + this->stmt = prep_stmt; + this->prepared = true; + + if (con->prep_stmts == NULL) + this->next = NULL; + else + this->next = con->prep_stmts; + + con->prep_stmts = this; + return true; +} + static bool replace_variables(char **text, int lineno) { |