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new index with less collisions on feedentrystatus table

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Athou
2013-06-12 16:23:22 +02:00
parent bfc8001733
commit 4b0588474b
2 changed files with 29 additions and 0 deletions
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28
src/main/resources/changelogs/db.changelog-1.1.xml Normal file
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@@ -0,0 +1,28 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd">
<changeSet author="athou" id="drop-fes-index">
<preConditions onFail="MARK_RAN" onFailMessage="index not found, skip drop index">
<indexExists tableName="FEEDENTRYSTATUSES" indexName="subscription_id" />
</preConditions>
<dropIndex tableName="FEEDENTRYSTATUSES" indexName="subscription_id" />
</changeSet>
<changeSet author="athou" id="recreate-fes-index">
<preConditions onFail="MARK_RAN" onFailMessage="index already exists">
<not>
<indexExists tableName="FEEDENTRYSTATUSES" indexName="sub_entry_read_index" />
</not>
</preConditions>
<createIndex indexName="sub_entry_read_index" tableName="FEEDENTRYSTATUSES"
unique="false">
<column name="subscription_id" />
<column name="entry_id" />
<column name="read_status" />
</createIndex>
</changeSet>
</databaseChangeLog>

1
src/main/resources/changelogs/db.changelog-master.xml
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@@ -4,5 +4,6 @@
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd">
<include file="changelogs/db.changelog-1.0.xml" />
<include file="changelogs/db.changelog-1.1.xml" />
</databaseChangeLog>