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Merge pull request #7734 from soyeric128/sql-dialect
docs: add sql dialect
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‎docs/doc/30-reference/30-sql/80-setting-cmds/show-settings.md

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@@ -15,23 +15,26 @@ SHOW SETTINGS;
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```sql
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SHOW SETTINGS;
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|name |value |default|level |description |type |
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|------------------------------|-------|-------|-------|--------------------------------------------------------------------------------------------------|------|
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|compression |None |None |SESSION|Format compression, default value: None |String|
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|empty_as_default |1 |1 |SESSION|Format empty_as_default, default value: 1 |UInt64|
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|enable_async_insert |0 |0 |SESSION|Whether the client open async insert mode, default value: 0 |UInt64|
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|enable_new_processor_framework|1 |1 |SESSION|Enable new processor framework if value != 0, default value: 1 |UInt64|
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|enable_planner_v2 |0 |0 |SESSION|Enable planner v2 by setting this variable to 1, default value: 0 |UInt64|
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|field_delimiter |, |, |SESSION|Format field delimiter, default value: , |String|
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|flight_client_timeout |60 |60 |SESSION|Max duration the flight client request is allowed to take in seconds. By default, it is 60 seconds|UInt64|
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|group_by_two_level_threshold |10000 |10000 |SESSION|The threshold of keys to open two-level aggregation, default value: 10000 |UInt64|
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|max_block_size |10000 |10000 |SESSION|Maximum block size for reading |UInt64|
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|max_execute_time |0 |0 |SESSION|The maximum query execution time. it means no limit if the value is zero. default value: 0 |UInt64|
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|max_threads |4 |16 |SESSION|The maximum number of threads to execute the request. By default, it is determined automatically. |UInt64|
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|record_delimiter |¶ |¶ |SESSION|Format record_delimiter, default value: ¶ |String|
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|skip_header |0 |0 |SESSION|Whether to skip the input header, default value: 0 |UInt64|
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|storage_read_buffer_size |1048576|1048576|SESSION|The size of buffer in bytes for buffered reader of dal. By default, it is 1MB. |UInt64|
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|timezone |UTC |UTC |SESSION|Timezone, default value: UTC, |String|
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|wait_for_async_insert |1 |1 |SESSION|Whether the client wait for the reply of async insert, default value: 1 |UInt64|
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|wait_for_async_insert_timeout |100 |100 |SESSION|The timeout in seconds for waiting for processing of async insert, default value: 100 |UInt64|
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| name | value | default | level | description | type |
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|--------------------------------|------------|------------|---------|----------------------------------------------------------------------------------------------------|--------|
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| compression | None | None | SESSION | Format compression, default value: None | String |
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| empty_as_default | 1 | 1 | GLOBAL | Format empty_as_default, default value: 1 | UInt64 |
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| enable_async_insert | 0 | 0 | SESSION | Whether the client open async insert mode, default value: 0 | UInt64 |
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| enable_new_processor_framework | 1 | 1 | SESSION | Enable new processor framework if value != 0, default value: 1 | UInt64 |
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| enable_planner_v2 | 1 | 1 | SESSION | Enable planner v2 by setting this variable to 1, default value: 1 | UInt64 |
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| field_delimiter | , | , | SESSION | Format field delimiter, default value: , | String |
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| flight_client_timeout | 60 | 60 | SESSION | Max duration the flight client request is allowed to take in seconds. By default, it is 60 seconds | UInt64 |
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| group_by_two_level_threshold | 10000 | 10000 | SESSION | The threshold of keys to open two-level aggregation, default value: 10000 | UInt64 |
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| max_block_size | 10000 | 10000 | SESSION | Maximum block size for reading | UInt64 |
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| max_execute_time | 0 | 0 | SESSION | The maximum query execution time. it means no limit if the value is zero. default value: 0 | UInt64 |
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| max_threads | 8 | 16 | GLOBAL | The maximum number of threads to execute the request. By default, it is determined automatically. | UInt64 |
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| quoted_ident_case_sensitive | 1 | 1 | SESSION | Case sensitivity of quoted identifiers, default value: 1 (aka case-sensitive) | UInt64 |
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| record_delimiter | "\n" | "\n" | SESSION | Format record_delimiter, default value: "\n" | String |
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| skip_header | 1 | 0 | GLOBAL | Whether to skip the input header, default value: 0 | UInt64 |
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| sql_dialect | PostgreSQL | PostgreSQL | SESSION | SQL dialect, support "PostgreSQL" and "MySQL", default value: "PostgreSQL" | String |
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| storage_read_buffer_size | 1048576 | 1048576 | SESSION | The size of buffer in bytes for buffered reader of dal. By default, it is 1MB. | UInt64 |
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| timezone | UTC | UTC | SESSION | Timezone, default value: UTC, | String |
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| unquoted_ident_case_sensitive | 0 | 0 | SESSION | Case sensitivity of unquoted identifiers, default value: 0 (aka case-insensitive) | UInt64 |
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| wait_for_async_insert | 1 | 1 | SESSION | Whether the client wait for the reply of async insert, default value: 1 | UInt64 |
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| wait_for_async_insert_timeout | 100 | 100 | SESSION | The timeout in seconds for waiting for processing of async insert, default value: 100 | UInt64 |
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```

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