Improve tag search query (#16104)
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daccc07dc1
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7f0c49c58a
4 changed files with 35 additions and 10 deletions
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class AddCaseInsensitiveBtreeIndexToTags < ActiveRecord::Migration[5.2] |
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disable_ddl_transaction! |
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def up |
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safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower_btree ON tags (lower(name) text_pattern_ops)' } |
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remove_index :tags, name: 'index_tags_on_name_lower' |
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end |
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def down |
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safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower ON tags (lower(name))' } |
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remove_index :tags, name: 'index_tags_on_name_lower_btree' |
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end |
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end |
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