kopia lustrzana https://github.com/magicbug/Cloudlog
Improved migration file to check if index exists before dropping it
rodzic
3ab625062c
commit
2671affc0d
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@ -23,7 +23,19 @@ class Migration_dxcc_index extends CI_Migration {
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}
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}
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public function down(){
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public function down(){
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$this->db->query("ALTER TABLE dxcc_prefixes DROP INDEX idx_dxcc_prefixes_logic");
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$this->db->query("ALTER TABLE dxcc_exceptions DROP INDEX idx_dxcc_exceptions_logic");
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// check if index idx_dxcc_prefixes_logic exists
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// if so, drop it
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$prefixes_index = $this->db->query("SHOW INDEX FROM dxcc_prefixes WHERE Key_name = 'idx_dxcc_prefixes_logic'")->num_rows();
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if ($prefixes_index == 1) {
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$this->db->query("ALTER TABLE dxcc_prefixes DROP INDEX idx_dxcc_prefixes_logic");
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}
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// check if index dxcc_exceptions exists
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// if so, drop it
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$exceptions_index = $this->db->query("SHOW INDEX FROM dxcc_exceptions WHERE Key_name = 'idx_dxcc_exceptions_logic'")->num_rows();
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if ($exceptions_index == 1) {
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$this->db->query("ALTER TABLE dxcc_exceptions DROP INDEX idx_dxcc_exceptions_logic");
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}
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}
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}
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}
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}
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