69 lines
1.5 KiB
SQL
69 lines
1.5 KiB
SQL
# name: test/sql/attach/attach_new_compression.test
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# description: Tests attaching database files and using new compression methods
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# group: [attach]
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statement ok
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PRAGMA enable_verification
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statement ok
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ATTACH '__TEST_DIR__/test_new_compression.db' AS db1 (STORAGE_VERSION 'v1.0.0');
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statement ok
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SET force_compression='roaring'
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statement ok
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CREATE TABLE db1.tbl AS SELECT CASE WHEN i%2=0 THEN NULL ELSE i END i FROM range(10000) t(i);
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statement ok
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SET force_compression='zstd';
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statement ok
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CREATE TABLE db1.str_tbl AS SELECT STRING_AGG('long_string_' || i, '-') FROM range(1000) t(i);
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# verify new compression methods are not used when attaching with a low storage version
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query I
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SELECT COUNT(*)>0 FROM pragma_storage_info('db1.tbl') WHERE compression='Roaring'
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----
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false
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query I
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SELECT COUNT(*)>0 FROM pragma_storage_info('db1.str_tbl') WHERE compression='ZSTD'
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----
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false
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statement ok
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DETACH db1
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# attach with a new storage version and re-write the table
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statement ok
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ATTACH '__TEST_DIR__/test_new_compression.db' AS db1 (STORAGE_VERSION 'v1.2.0');
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statement ok
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SET force_compression='roaring'
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statement ok
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CREATE TABLE db1.tbl2 AS FROM db1.tbl
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statement ok
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CHECKPOINT db1
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statement ok
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SET force_compression='zstd';
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statement ok
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CREATE TABLE db1.str_tbl2 AS FROM db1.str_tbl
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statement ok
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CHECKPOINT db1
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# roaring is used now
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query I
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SELECT COUNT(*)>0 FROM pragma_storage_info('db1.tbl2') WHERE compression='Roaring'
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----
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true
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query I
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SELECT COUNT(*)>0 FROM pragma_storage_info('db1.str_tbl2') WHERE compression='ZSTD'
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----
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true
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