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alter table of sammelan record #113

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Merged
paras-dba merged 2 commits into from
Mar 26, 2026
Merged

alter table of sammelan record #113

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36d718c
alter table of sammelan record
SauravBizbRolly Mar 26, 2026
a0cd2dd
alter table of sammelan record
SauravBizbRolly Mar 26, 2026
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39 changes: 39 additions & 0 deletions src/main/resources/db/migration/dbiemr/V69__migratio_of_ch_dbiemr.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
USE db_iemr;

SET @dbname = 'db_iemr';
SET @tablename = 'sammelan_record';

-- Drop index if exists
SET @indexname = 'uk_asha_month';
SET @preparedStatement = (
SELECT IF(
(SELECT COUNT(*)
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = @dbname
AND TABLE_NAME = @tablename
AND INDEX_NAME = @indexname) > 0,
CONCAT('ALTER TABLE ', @dbname, '.', @tablename, ' DROP INDEX ', @indexname),
'SELECT 1'
)
);
PREPARE stmt FROM @preparedStatement;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

-- Add unique index if not exists
SET @indexname = 'uk_asha_month';
SET @preparedStatement = (
SELECT IF(
(SELECT COUNT(*)
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = @dbname
AND TABLE_NAME = @tablename
AND INDEX_NAME = @indexname) > 0,
'SELECT 1',
CONCAT('ALTER TABLE ', @dbname, '.', @tablename,
' ADD UNIQUE KEY uk_asha_month (asha_id, meeting_date)')
)
);
PREPARE stmt FROM @preparedStatement;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
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