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Emulating num_rows for sqlite3 when is needed (Sqlite3 doesn't have that natively)

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JKA Network
2018-03-31 12:21:13 +00:00
parent b738eda270
commit 69a9f230da
1 changed files with 31 additions and 14 deletions
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45
src/dbwrapper.php
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@@ -1,5 +1,5 @@
<?php <?php
/* DBWrapper.php - Version 1.4.1 /* DBWrapper.php - Version 1.4.2
This script is a simple wrapper for SQLite3, MySQL and PgSQL, This script is a simple wrapper for SQLite3, MySQL and PgSQL,
for make possible to use different BD systems without changing the functions. for make possible to use different BD systems without changing the functions.
For use, in dbw_connect you have to specify type of database (see below) For use, in dbw_connect you have to specify type of database (see below)
@@ -49,14 +49,20 @@ function dbw_escape_string($conn,$string){
/** Make query */ /** Make query */
function dbw_query($conn,$query){ function dbw_query($conn,$query){
$time = microtime(true);
switch ($conn[1]){ switch ($conn[1]){
case "mysqli": case "mysqli":
return mysqli_query($conn[0],$query); $ret = mysqli_query($conn[0],$query);
break;
case "sqlite": case "sqlite":
return $conn[0]->query($query); $ret = $conn[0]->query($query);
break;
case "PgSQL": case "PgSQL":
return pg_query($query); //Last error (pg_last_error()) not implemented $ret = pg_query($query);
break;
} }
//echo "<p>".$query."->".(microtime(true)-$time)." milisegundos</p>";
return $ret;
} }
/** Fetch array from query */ /** Fetch array from query */
@@ -83,23 +89,27 @@ function dbw_fetch_array($conn,$result,$typearray = NULL){
/** Make query and fetch array */ /** Make query and fetch array */
function dbw_query_fetch_array($conn,$query){ function dbw_query_fetch_array($conn,$query){
$time = microtime(true);
switch ($conn[1]){ switch ($conn[1]){
case "mysqli": case "mysqli":
$query = mysqli_query($conn[0],$query); $result = mysqli_query($conn[0],$query);
if ($query == false || $query == NULL){return false;} if (!$result){return false;}
return mysqli_fetch_array($query); $ret = mysqli_fetch_array($result);
break; break;
case "sqlite": case "sqlite":
$query = $conn[0]->query($query); $result = $conn[0]->query($query);
if ($query == false || $query == NULL){return false;} if (!$result){return false;}
return $query->fetchArray(); $ret = $result->fetchArray();
break; break;
case "PgSQL": case "PgSQL":
$query = pg_query($query); $result = pg_query($query);
if ($query == false || $query == NULL){return false;} if (!$result){return false;}
return pg_fetch_array($query); //Last error (pg_last_error()) not implemented $ret = pg_fetch_array($result); //Last error (pg_last_error()) not implemented
break; break;
} }
//echo "<p>".$query."->".(microtime(true)-$time)." milisegundos</p>";
return $ret;
} }
/** Goes a query to $row. $row starts in 0 as first row as if not specified */ /** Goes a query to $row. $row starts in 0 as first row as if not specified */
@@ -155,7 +165,14 @@ function dbw_num_rows($conn,$result){
case "mysqli": case "mysqli":
return mysqli_num_rows($result); return mysqli_num_rows($result);
case "sqlite": case "sqlite":
return $result->numRows(); //Emulating num_rows. Is faster to use a COUNT(*), but for make it work...
$count=0;
$result->reset(); //Reset pointer
while($row = $result->fetchArray(SQLITE3_ASSOC)){
$count++;
}
$result->reset(); //Reset pointer
return $count;
case "PgSQL": case "PgSQL":
return pg_num_rows ($result); return pg_num_rows ($result);
} }