mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-10 01:25:21 +00:00
359 lines
3.2 KiB
Plaintext
359 lines
3.2 KiB
Plaintext
----- NULL value -----
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\N
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\N
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\N
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\N
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----- MergeTree engine -----
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1 1 a a [1] [1] ['a'] ['a'] 2000-01-01
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1 1 a a [1] [1] ['a'] [NULL] 2000-01-01
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1 1 a a [1] [NULL] ['a'] ['a'] 2000-01-01
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1 1 a \N [1] [1] ['a'] ['a'] 2000-01-01
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1 \N a a [1] [1] ['a'] ['a'] 2000-01-01
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----- Memory engine -----
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1 1 a a [1] [1] ['a'] ['a'] 2000-01-01
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1 1 a a [1] [1] ['a'] [NULL] 2000-01-01
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1 1 a a [1] [NULL] ['a'] ['a'] 2000-01-01
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1 1 a \N [1] [1] ['a'] ['a'] 2000-01-01
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1 \N a a [1] [1] ['a'] ['a'] 2000-01-01
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----- TinyLog engine -----
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1 1 a a [1] [1] ['a'] ['a'] 2000-01-01
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1 1 a a [1] [1] ['a'] [NULL] 2000-01-01
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1 1 a a [1] [NULL] ['a'] ['a'] 2000-01-01
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1 1 a \N [1] [1] ['a'] ['a'] 2000-01-01
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1 \N a a [1] [1] ['a'] ['a'] 2000-01-01
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----- Log engine -----
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1 1 a a [1] [1] ['a'] ['a'] 2000-01-01
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1 1 a a [1] [1] ['a'] [NULL] 2000-01-01
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1 1 a a [1] [NULL] ['a'] ['a'] 2000-01-01
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1 1 a \N [1] [1] ['a'] ['a'] 2000-01-01
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1 \N a a [1] [1] ['a'] ['a'] 2000-01-01
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----- StripeLog engine -----
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1 1 a a [1] [1] ['a'] ['a'] 2000-01-01
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1 1 a a [1] [1] ['a'] [NULL] 2000-01-01
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1 1 a a [1] [NULL] ['a'] ['a'] 2000-01-01
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1 1 a \N [1] [1] ['a'] ['a'] 2000-01-01
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1 \N a a [1] [1] ['a'] ['a'] 2000-01-01
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----- Insert with expression -----
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[2]
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----- Insert. Source and target columns have same types up to nullability. -----
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2 7
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4 3
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5 1
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6 9
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8 2
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----- Apply functions and aggregate functions on columns that may contain null values -----
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2 7 9 14
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5 1 6 35
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9 \N \N 63
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42 42 84 294
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\N 6 \N \N
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\N \N \N \N
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58
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406
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----- isNull, isNotNull -----
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2 7 0 1
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5 1 0 1
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9 \N 0 0
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42 42 0 1
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\N 6 1 1
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\N \N 1 0
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----- ifNull, nullIf -----
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2 7 2
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5 1 5
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9 \N 9
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42 42 42
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\N 6 6
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\N \N \N
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2 7 2
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5 1 5
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9 \N 9
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42 42 \N
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\N 6 \N
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\N \N \N
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1
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----- coalesce -----
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\N
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1
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1
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42
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\N
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2 7 2
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5 1 5
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9 \N 9
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42 42 42
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\N 6 6
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\N \N \N
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2 7 2
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5 1 5
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9 \N 9
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42 42 42
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\N 6 6
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\N \N 99
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----- assumeNotNull -----
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2
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5
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9
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42
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----- IS NULL, IS NOT NULL -----
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2
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5
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9
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42
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\N
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\N
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----- if -----
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a 1 UInt8
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b 1 UInt8
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c 0 UInt8
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\N 0 UInt8
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a \N Nullable(UInt8)
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b \N Nullable(UInt8)
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c 0 Nullable(UInt8)
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\N 0 Nullable(UInt8)
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----- case when -----
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a 1 UInt8
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b 1 UInt8
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c 0 UInt8
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\N 0 UInt8
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a \N Nullable(UInt8)
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b \N Nullable(UInt8)
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c 0 Nullable(UInt8)
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\N 0 Nullable(UInt8)
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a 1 Nullable(UInt8)
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b 1 Nullable(UInt8)
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c \N Nullable(UInt8)
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\N \N Nullable(UInt8)
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----- multiIf -----
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\N
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2
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\N
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A
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A\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
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3
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2
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2
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42
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\N
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2
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1
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99
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99
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----- Array functions -----
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[NULL]
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[NULL,NULL,NULL]
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[NULL,2,3]
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[1,NULL,3]
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[1,2,NULL]
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[NULL,'b','c']
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['a',NULL,'c']
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['a','b',NULL]
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----- arrayElement -----
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----- constant arrays -----
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1
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\N
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2
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3
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a
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\N
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c
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d
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1
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\N
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2
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3
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----- variable arrays -----
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2
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\N
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2
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2
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\N
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3
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3
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\N
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3
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\N
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7
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7
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7
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\N
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\N
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\N
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4
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\N
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4
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\N
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a
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\N
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a
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a
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\N
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bc
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bc
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\N
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bc
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\N
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def
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def
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def
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\N
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\N
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\N
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ghij
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\N
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ghij
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\N
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2
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3
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7
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4
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\N
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a
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bc
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def
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ghij
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\N
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----- has -----
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----- constant arrays -----
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1
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1
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1
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1
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0
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1
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1
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1
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1
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1
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1
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1
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0
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1
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1
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1
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0
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1
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1
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0
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1
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1
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1
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0
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1
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1
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1
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----- variable arrays -----
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1
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0
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1
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1
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0
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1
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1
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0
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1
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0
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0
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1
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0
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1
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0
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0
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0
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0
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0
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0
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1
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1
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1
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0
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0
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1
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1
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1
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1
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1
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1
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0
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1
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1
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0
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1
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1
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0
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1
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0
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1
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1
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1
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0
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0
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0
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1
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0
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1
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0
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1
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1
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1
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1
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1
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1
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1
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1
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0
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1
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1
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1
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0
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1
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1
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1
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1
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1
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1
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1
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1
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1
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1
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----- Aggregation -----
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A 0 2
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A 1 2
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B 1 4
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C 1 1
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C \N 3
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\N 1 1
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\N \N 1
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A 0 2
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A 1 2
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B 1 4
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C 1 1
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C \N 3
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A 4
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B 4
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C 4
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\N 2
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0 2
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1 7
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\N 3
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0 2 1
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0 3 1
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1 2 2
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1 3 2
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1 5 3
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\N 2 1
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\N 3 2
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0 2 1 1
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0 3 \N 1
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1 2 1 1
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1 2 \N 1
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1 3 1 1
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1 3 \N 1
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1 5 1 2
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1 5 \N 1
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\N 2 \N 1
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\N 3 1 1
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\N 3 \N 1
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[0] 2
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[1] 7
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[NULL] 3
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