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Merge pull request #1314 from phl0/satIndexUpdate

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For speed reasons we should create a temporary index
This commit is contained in:
Florian (DF2ET)
2024-12-04 11:30:36 +01:00
committed by GitHub
parent 9c1be8460b 85cb9c6a19
commit 21805647fe
1 changed files with 20 additions and 0 deletions
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20
application/migrations/228_rename_satellites.php
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@@ -120,6 +120,7 @@ class Migration_rename_satellites extends CI_Migration {
);
public function up() {
$this->add_ix('TMP_HRD_IDX_COL_SAT_NAME','`COL_SAT_NAME`');
if ($this->db->table_exists('satellite')) {
foreach ($this->satellites as $exportname => $name) {
@@ -164,9 +165,11 @@ class Migration_rename_satellites extends CI_Migration {
);
$this->dbforge->modify_column('satellite', $fields);
}
$this->rm_ix('TMP_HRD_IDX_COL_SAT_NAME');
}
public function down() {
$this->add_ix('TMP_HRD_IDX_COL_SAT_NAME','`COL_SAT_NAME`');
if ($this->db->table_exists('satellite')) {
$fields = array(
@@ -190,6 +193,7 @@ class Migration_rename_satellites extends CI_Migration {
}
$this->remove_sat("SONATE");
$this->remove_sat("MO-122");
$this->rm_ix('TMP_HRD_IDX_COL_SAT_NAME');
}
function update_sat_table($from, $to) {
@@ -248,4 +252,20 @@ class Migration_rename_satellites extends CI_Migration {
$this->db->delete('satellite');
}
private function add_ix($index,$cols) {
$ix_exist = $this->db->query("SHOW INDEX FROM ".$this->config->item('table_name')." WHERE Key_name = '".$index."'")->num_rows();
if ($ix_exist == 0) {
$sql = "ALTER TABLE ".$this->config->item('table_name')." ADD INDEX `".$index."` (".$cols.");";
$this->db->query($sql);
}
}
private function rm_ix($index) {
$ix_exist = $this->db->query("SHOW INDEX FROM ".$this->config->item('table_name')." WHERE Key_name = '".$index."'")->num_rows();
if ($ix_exist >= 1) {
$sql = "ALTER TABLE ".$this->config->item('table_name')." DROP INDEX `".$index."`;";
$this->db->query($sql);
}
}
}