remove pg from vlib

vlib/pg/pg.v

@@ -1,124 +0,0 @@
-module pg
-
-import os
-import time
-
-#flag -lpq
-#flag linux -I/usr/include/postgresql
-#flag darwin -I/opt/local/include/postgresql11
-#include <libpq-fe.h>
-
-struct DB {
-mut:
-	conn *C.PGconn
-}
-
-struct Row {
-pub:
-	vals []string
-}
-
-import const (
-	CONNECTION_OK
-) 
-
-struct C.PGResult { }
-
-fn C.PQconnectdb(a byteptr) *C.PGconn
-fn C.PQerrorMessage(voidptr) byteptr 
-fn C.PQgetvalue(voidptr, int, int) byteptr
-fn C.PQstatus(voidptr) int 
-
-pub fn connect(dbname, user string) DB {
-	conninfo := 'host=localhost user=$user dbname=$dbname'
-	conn:=C.PQconnectdb(conninfo.str)
-	status := C.PQstatus(conn)
-	if status != CONNECTION_OK { 
-		error_msg := C.PQerrorMessage(conn) 
-		eprintln('Connection to a PG database failed: ' + string(error_msg)) 
-		exit(1) 
-	}
-	return DB {conn: conn} 
-}
-
-fn res_to_rows(res voidptr) []pg.Row {
-	nr_rows := C.PQntuples(res) 
-	nr_cols := C.PQnfields(res) 
-	mut rows := []pg.Row
-	for i := 0; i < nr_rows; i++ {
-		mut row := Row{}
-		for j := 0; j < nr_cols; j++ {
-			val := C.PQgetvalue(res, i, j) 
-			row.vals << string(val)
-		}
-		rows << row
-	}
-	return rows
-}
-
-pub fn (db DB) q_int(query string) int {
-	rows := db.exec(query)
-	if rows.len == 0 {
-		println('q_int "$query" not found')
-		return 0
-	}
-	row := rows[0]
-	if row.vals.len == 0 {
-		return 0
-	}
-	val := row.vals[0]
-	return val.int() 
-}
-
-pub fn (db DB) q_string(query string) string {
-	rows := db.exec(query)
-	if rows.len == 0 {
-		println('q_string "$query" not found')
-		return ''
-	}
-	row := rows[0]
-	if row.vals.len == 0 {
-		return ''
-	}
-	val := row.vals[0]
-	return val
-}
-
-pub fn (db DB) q_strings(query string) []pg.Row {
-	return db.exec(query)
-}
-
-pub fn (db DB) exec(query string) []pg.Row {
-	res := C.PQexec(db.conn, query.str)
-	e := string(C.PQerrorMessage(db.conn))
-	if e != '' {
-		println('pg exec error:')
-		println(e)
-		return res_to_rows(res)
-	}
-	return res_to_rows(res)
-}
-
-
-// 
-pub fn (db DB) exec_param2(query string, param, param2 string) []pg.Row {
-	mut param_vals := [2]byteptr 
-	param_vals[0] = param.str 
-	param_vals[1] = param2.str 
-	res := C.PQexecParams(db.conn, query.str, 2, 0, param_vals, 0, 0, 0)  
-	e := string(C.PQerrorMessage(db.conn))
-	if e != '' {
-		println('pg exec2 error:')
-		println(e)
-		return res_to_rows(res)
-	}
-	return res_to_rows(res)
-}
-
-pub fn (db DB) exec_param(query string, param string) []pg.Row {
-	mut param_vals := [1]byteptr 
-	param_vals[0] = param.str 
-	res := C.PQexecParams(db.conn, query.str, 1, 0, param_vals, 0, 0, 0)  
-	return res_to_rows(res)
-}
-