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HUE-8577 [editor] Update the Impala Language Reference to the latest version

(cherry picked from commit 46ef524dfe8b87a3e35da3b795d83e221b329c90)
Johan Ahlen 6 år sedan
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incheckning
96b016a0b2
100 ändrade filer med 18 tillägg och 5 borttagningar
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_abort_on_default_limit_exceeded.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_aggregate_functions.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_allow_erasure_coded_files.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_default_order_by_limit.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_disable_codegen_rows_threshold.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_distinct.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_enable_expr_rewrites.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_exec_single_node_rows_threshold.json
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      desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_explain_level.json
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_abort_on_default_limit_exceeded.json

@@ -1 +0,0 @@
-{"body":"<div><div><div class=\"hue-doc-title\">ABORT_ON_DEFAULT_LIMIT_EXCEEDED Query Option</div><div><p>\n        Now that the <span class=\"hue-doc-codeph\">ORDER BY</span> clause no longer requires an accompanying <span class=\"hue-doc-codeph\">LIMIT</span>\n        clause in Impala 1.4.0 and higher, this query option is deprecated and has no effect.\n      </p><p><b>Type:</b> Boolean; recognized values are 1 and 0, or <span class=\"hue-doc-codeph\">true</span> and <span class=\"hue-doc-codeph\">false</span>;\n        any other value interpreted as <span class=\"hue-doc-codeph\">false</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">false</span> (shown as 0 in output of <span class=\"hue-doc-codeph\">SET</span> statement)\n      </p></div></div></div>","title":"ABORT_ON_DEFAULT_LIMIT_EXCEEDED Query Option"}

Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_aggregate_functions.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_aliases.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_allow_erasure_coded_files.json

@@ -0,0 +1 @@
+{"body":"<div><div><div class=\"hue-doc-title\">ALLOW_ERASURE_CODED_FILES Query Option</div><div><p>\n      Use the <span class=\"hue-doc-codeph\">ALLOW_ERASURE_CODED_FILES</span> query option to enable or disable the\n      support of erasure coded files in Impala. Until Impala is fully tested and certified with\n      erasure coded files, this query option is set to <span class=\"hue-doc-codeph\">FALSE</span> by default.\n    </p><p>\n      When the <span class=\"hue-doc-codeph\">ALLOW_ERASURE_CODED_FILES</span> query option is set to\n      <span class=\"hue-doc-codeph\">FALSE</span>, Impala returns an error when a query requires scanning an erasure\n      coded file.\n    </p><p><b>Type:</b><span class=\"hue-doc-codeph\">BOOLEAN</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">FALSE</span></p><p><b>Added in:</b>Impala 3.1</p></div></div></div>","title":"ALLOW_ERASURE_CODED_FILES Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_allow_unsupported_formats.json

@@ -1 +1 @@
-{"body":"<div><div><div class=\"hue-doc-title\">ALLOW_UNSUPPORTED_FORMATS Query Option</div><div><p>\n      An obsolete query option from early work on support for file formats. Do not use. Might be removed in the\n      future.\n    </p><p><b>Type:</b> Boolean; recognized values are 1 and 0, or <span class=\"hue-doc-codeph\">true</span> and <span class=\"hue-doc-codeph\">false</span>;\n        any other value interpreted as <span class=\"hue-doc-codeph\">false</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">false</span> (shown as 0 in output of <span class=\"hue-doc-codeph\">SET</span> statement)\n      </p></div></div></div>","title":"ALLOW_UNSUPPORTED_FORMATS Query Option"}
+{"body":"<div><div><div class=\"hue-doc-title\">ALLOW_UNSUPPORTED_FORMATS Query Option</div><div><div class=\"hue-doc-note\">This query option was removed in Impala 3.1 and no\n      longer has any effect. Do not use.</div><p><b>Type:</b> Boolean; recognized values are 1 and 0, or <span class=\"hue-doc-codeph\">true</span> and <span class=\"hue-doc-codeph\">false</span>;\n        any other value interpreted as <span class=\"hue-doc-codeph\">false</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">false</span> (shown as 0 in output of <span class=\"hue-doc-codeph\">SET</span> statement)\n      </p></div></div></div>","title":"ALLOW_UNSUPPORTED_FORMATS Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_alter_database.json

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+{"body":"<div><div><div class=\"hue-doc-title\">ALTER DATABASE Statement</div><div><p>\n      The <span class=\"hue-doc-codeph\">ALTER DATABASE</span> statement changes the characteristics of a database.\n    </p><p>\n      Use the <span class=\"hue-doc-codeph\">SET OWNER</span> clause to transfer the ownership of the database from\n      the current owner to another user or a role.\n    </p><p>\n      The database owner is originally set to the user who creates the database. When object\n      ownership is enabled in Sentry, an owner of a database can have the <span class=\"hue-doc-codeph\">ALL</span>\n      with <span class=\"hue-doc-codeph\">GRANT</span> or <span class=\"hue-doc-codeph\">ALL</span> without <span class=\"hue-doc-codeph\">GRANT</span>\n      privilege. The term <span class=\"hue-doc-codeph\">OWNER</span> is used to differentiate between the\n      <span class=\"hue-doc-codeph\">ALL</span> privilege that is explicitly granted via the <span class=\"hue-doc-codeph\">GRANT</span>\n      statement and a privilege that is implicitly granted by the <span class=\"hue-doc-codeph\">CREATE\n      DATABASE</span> statement.\n    </p><p><b>Syntax:</b></p><div class=\"hue-doc-codeblock\">\nALTER DATABASE <span class=\"hue-doc-varname\">database_name</span> SET OWNER USER user_name;\nALTER DATABASE <span class=\"hue-doc-varname\">database_name</span> SET OWNER ROLE role_name;\n</div><p><b>Statement type:</b> DDL\n      </p><p><b>Cancellation:</b> Cannot be cancelled.\n      </p><p><b>Added in:</b>Impala 3.1</p></div></div></div>","title":"ALTER DATABASE Statement"}

Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_alter_table.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_alter_view.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_analytic_functions.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_appx_count_distinct.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_bigint.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_bit_functions.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_buffer_pool_limit.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_char.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_comment.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_compute_stats.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_compute_stats_min_sample_size.json

@@ -0,0 +1 @@
+{"body":"<div><div><div class=\"hue-doc-title\">COMPUTE_STATS_MIN_SAMPLE_SIZE Query Option</div><div><p>The <span class=\"hue-doc-codeph\">COMPUTE_STATS_MIN_SAMPLE_SIZE</span> query option specifies\n      the minimum number of bytes that will be scanned in <span class=\"hue-doc-codeph\">COMPUTE STATS\n        TABLESAMPLE</span>, regardless of the user-supplied sampling percent.\n      This query option prevents sampling for very small tables where accurate\n      stats can be obtained cheaply without sampling because the minimum sample\n      size is required to get meaningful stats.</p><p><b>Type:</b> integer\n      </p><p><b>Default:</b> 1GB</p><p><b>Added in</b>: Impala 2.12</p><p><b>Usage notes:</b></p></div></div></div>","title":"COMPUTE_STATS_MIN_SAMPLE_SIZE Query Option"}

Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_conditional_functions.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_conversion_functions.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_count.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_create_data_source.json

@@ -0,0 +1 @@
+{"body":"<div><div><div class=\"hue-doc-title\">CREATE DATA SOURCE Statement</div><div><p/><p><b>Statement type:</b> DDL\n      </p><p>\n        If you connect to different Impala nodes within an <span class=\"hue-doc-cmdname\">impala-shell</span> session for\n        load-balancing purposes, you can enable the <span class=\"hue-doc-codeph\">SYNC_DDL</span> query option to make each DDL\n        statement wait before returning, until the new or changed metadata has been received by all the Impala\n        nodes. See <a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_sync_ddl.xml\" data-doc-anchor-id=\"sync_ddl\">SYNC_DDL Query Option</a> for details.\n      </p><p><b>Usage notes:</b></p><p><b>Examples:</b></p><p><b>Cancellation:</b> Cannot be cancelled.\n      </p><p><b>Related information:</b></p></div></div></div>","title":"CREATE DATA SOURCE Statement"}

Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_custom_timezones.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_data_sources.json

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+{"body":"<div><div><div class=\"hue-doc-title\">Data Sources</div><div><p><a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_create_data_source.xml\" data-doc-anchor-id=\"create_data_source\">CREATE DATA SOURCE Statement</a><a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_drop_data_source.xml\" data-doc-anchor-id=\"drop_data_source\">DROP DATA SOURCE Statement</a><a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_create_table.xml\" data-doc-anchor-id=\"create_table\">CREATE TABLE Statement</a></p></div></div></div>","title":"Data Sources"}

Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_databases.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_datatypes.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_date.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_datetime_functions.json


Filskillnaden har hållts tillbaka eftersom den är för stor
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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_decimal.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_decimal_v2.json

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+{"body":"<div><div><div class=\"hue-doc-title\">DECIMAL_V2 Query Option</div><div><p>\n      A query option that changes behavior related to the <span class=\"hue-doc-codeph\">DECIMAL</span>\n      data type.\n    </p><div class=\"hue-doc-note\"><p>\n        This query option is currently unsupported.\n        Its precise behavior is currently undefined and might change\n        in the future.\n      </p></div><p><b>Type:</b> Boolean; recognized values are 1 and 0, or <span class=\"hue-doc-codeph\">true</span> and <span class=\"hue-doc-codeph\">false</span>;\n        any other value interpreted as <span class=\"hue-doc-codeph\">false</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">false</span> (shown as 0 in output of <span class=\"hue-doc-codeph\">SET</span> statement)\n      </p></div></div></div>","title":"DECIMAL_V2 Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_default_join_distribution_mode.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_default_order_by_limit.json

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-{"body":"<div><div><div class=\"hue-doc-title\">DEFAULT_ORDER_BY_LIMIT Query Option</div><div><p>\n        Now that the <span class=\"hue-doc-codeph\">ORDER BY</span> clause no longer requires an accompanying <span class=\"hue-doc-codeph\">LIMIT</span>\n        clause in Impala 1.4.0 and higher, this query option is deprecated and has no effect.\n      </p><p>\n      Prior to Impala 1.4.0, Impala queries that use the <span class=\"hue-doc-codeph\"><a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_order_by.xml\" data-doc-anchor-id=\"order_by\">ORDER\n      BY</a></span> clause must also include a\n      <span class=\"hue-doc-codeph\"><a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_limit.xml\" data-doc-anchor-id=\"limit\">LIMIT</a></span> clause, to avoid accidentally producing\n      huge result sets that must be sorted. Sorting a huge result set is a memory-intensive operation. In Impala\n      1.4.0 and higher, Impala uses a temporary disk work area to perform the sort if that operation would\n      otherwise exceed the Impala memory limit on a particular host.\n    </p><p><b>Type: numeric</b></p><p><b>Default:</b> -1 (no default limit)\n    </p></div></div></div>","title":"DEFAULT_ORDER_BY_LIMIT Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_default_spillable_buffer_size.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_delete.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_describe.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_disable_codegen_rows_threshold.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_disable_outermost_topn.json

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+{"body":"<div><div><div class=\"hue-doc-title\">DISABLE_OUTERMOST_TOPN Query Option</div><div><p/><p><b>Type:</b></p><p><b>Default:</b></p></div></div></div>","title":"DISABLE_OUTERMOST_TOPN Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_disable_row_runtime_filtering.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_disable_streaming_preaggregations.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_distinct.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_dml.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_drop_data_source.json

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+{"body":"<div><div><div class=\"hue-doc-title\">DROP DATA SOURCE Statement</div><div><p/><p><b>Syntax:</b></p><p><b>Statement type:</b> DDL\n      </p><p><b>Related information:</b></p><p><b>Usage notes:</b></p><p><b>Examples:</b></p><p><b>Cancellation:</b> Cannot be cancelled.\n      </p></div></div></div>","title":"DROP DATA SOURCE Statement"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_enable_expr_rewrites.json

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+{"body":"<div><div><div class=\"hue-doc-title\">ENABLE_EXPR_REWRITES Query Option</div><div><p>\n      The <span class=\"hue-doc-codeph\">ENABLE_EXPR_REWRITES</span> query option controls whether to enable or\n      disable the query compile time optimizations. These optimizations rewrite the expression\n      trees to a more compact and optimized form that helps avoid redundant expression\n      evaluation at run time. Performance optimizations controlled by this query option include:\n    </p><ul><li>\n        Constant folding (added in Impala 2.8</li><li>\n        Extracting common conjuncts from disjunctions (added in\n        Impala 2.8</li><li>\n        Simplify conditionals with constant conditions (added in\n        Impala 2.9</li></ul><p>\n      Set the option to <span class=\"hue-doc-codeph\">false</span> or <span class=\"hue-doc-codeph\">0</span> to disable the performance\n      optimizations.\n    </p><p><b>Type: </b><span class=\"hue-doc-codeph\">boolean</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">true</span> (<span class=\"hue-doc-codeph\">1</span>)\n    </p><p><b>Added in:</b>Impala 2.8</p></div></div></div>","title":"ENABLE_EXPR_REWRITES Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_exec_single_node_rows_threshold.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_exec_time_limit_s.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_explain_level.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_functions.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_grant.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_hints.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_identifiers.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_idle_session_timeout.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_insert.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_int.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_kudu_read_mode.json

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+{"body":"<div><div><div class=\"hue-doc-title\">KUDU_READ_MODE Query Option (Impala 3.1 or higher only)</div><div><p>\n      The <span class=\"hue-doc-codeph\">KUDU_READ_MODE</span> query option allows you to set a desired consistency\n      level for scans of Kudu tables.\n    </p><p><b>Type:</b> String\n    </p><p><b>Default:</b><span class=\"hue-doc-codeph\">\"DEFAULT\"</span></p><p><b>Added in:</b>Impala 3.1</p><p><b>Usage notes:</b></p><p>\n      The following values are supported for the query option:\n      <ul><li><span class=\"hue-doc-codeph\">\"DEFAULT\"</span>: The value of the startup flag,\n          <span class=\"hue-doc-codeph\">--kudu_read_mode</span>, is used.\n        </li><li><span class=\"hue-doc-codeph\">\"READ_LATEST\"</span>: Commonly known as the Read Committed isolation mode,\n          in this mode, Kudu provides no consistency guarantees for this mode, except that all\n          returned rows were committed at some point.\n        </li><li><span class=\"hue-doc-codeph\">\"READ_AT_SNAPSHOT\"</span>: Kudu will take a snapshot of the current state of\n          the data and perform the scan over the snapshot, possibly after briefly waiting for\n          ongoing writes to complete. This provides \"Read Your Writes\" consistency within a\n          single Impala session, except in the case of a Kudu leader change. See the Kudu\n          documentation for more details.\n        </li></ul></p></div></div></div>","title":"KUDU_READ_MODE Query Option (Impala 3.1 or higher only)"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_langref_unsupported.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_literals.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_live_progress.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_live_summary.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_load_data.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_math_functions.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_max.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_max_io_buffers.json

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-{"body":"<div><div><div class=\"hue-doc-title\">MAX_IO_BUFFERS Query Option</div><div><p>\n      Deprecated query option. Currently has no effect.\n    </p><p><b>Type:</b> numeric\n    </p><p><b>Default:</b> 0\n    </p></div></div></div>","title":"MAX_IO_BUFFERS Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_max_mem_estimate_for_admission.json

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+{"body":"<div><div><div class=\"hue-doc-title\">MAX_MEM_ESTIMATE_FOR_ADMISSION Query Option</div><div><p>\n      Use the <span class=\"hue-doc-codeph\">MAX_MEM_ESTIMATE_FOR_ADMISSION</span> query option to set an upper limit\n      on the memory estimates of a query as a workaround for over-estimates precluding a query\n      from being admitted.\n    </p><p>\n      The query option takes effect when all of the below conditions are met:\n    </p><ul><li>\n        Memory-based admission control is enabled for the pool.\n      </li><li>\n        The <span class=\"hue-doc-codeph\">MEM_LIMIT</span> query option is not set at the query, session, resource\n        pool, or global level.\n      </li></ul><p>\n      When the above conditions are met, MIN(<span class=\"hue-doc-codeph\">MAX_MEM_ESTIMATE_FOR_ADMISSION</span>,\n      mem_estimate) is used for admission control.\n    </p><p>\n      Setting the <span class=\"hue-doc-codeph\">MEM_LIMIT</span> query option is usually a better option. Use the\n      <span class=\"hue-doc-codeph\">MAX_MEM_ESTIMATE_FOR_ADMISSION</span> query option when it is not feasible to\n      set <span class=\"hue-doc-codeph\">MEM_LIMIT</span> for each individual query.\n    </p><p><b>Type:</b> integer\n      </p><p><b>Default:</b></p><p><b>Added in:</b>Impala 3.1</p><p><b>Usage notes:</b></p><p><b>Related information:</b></p></div></div></div>","title":"MAX_MEM_ESTIMATE_FOR_ADMISSION Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_max_num_runtime_filters.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_max_row_size.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_min.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_min_spillable_buffer_size.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_misc_functions.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_mt_dop.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_operators.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_optimize_partition_key_scans.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_order_by.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_parquet_annotate_strings_utf8.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_parquet_array_resolution.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_parquet_dictionary_filtering.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_parquet_fallback_schema_resolution.json

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+{"body":"<div><div><div class=\"hue-doc-title\">PARQUET_FALLBACK_SCHEMA_RESOLUTION Query Option (Impala 2.6 or higher only)</div><div><p>\n      The <span class=\"hue-doc-codeph\">PARQUET_FALLBACK_SCHEMA_RESOLUTION</span> query option allows Impala to look\n      up columns within Parquet files by column name, rather than column order,\n      when necessary.\n      The allowed values are:\n      <ul><li>\n          POSITION (0)\n        </li><li>\n          NAME (1)\n        </li></ul></p><p><b>Usage notes:</b></p><p>\n      By default, Impala looks up columns within a Parquet file based on\n      the order of columns in the table.\n      The <span class=\"hue-doc-codeph\">name</span> setting for this option enables behavior for\n      Impala queries similar to the Hive setting <span class=\"hue-doc-codeph\">parquet.column.index access=false</span>.\n      It also allows Impala to query Parquet files created by Hive with the\n      <span class=\"hue-doc-codeph\">parquet.column.index.access=false</span> setting in effect.\n    </p><p><b>Type:</b> integer or string\n    </p><p><b>Added in:</b>Impala 2.6.0</p><p><b>Related information:</b></p><p><a class=\"hue-doc-external-link\" href=\"https://www.cloudera.com/documentation/enterprise/latest/topics/impala_parquet.html#parquet_schema_evolution\" target=\"_blank\">Schema Evolution for Parquet Tables</a></p></div></div></div>","title":"PARQUET_FALLBACK_SCHEMA_RESOLUTION Query Option (Impala 2.6 or higher only)"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_parquet_read_statistics.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_porting.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_prefetch_mode.json

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+{"body":"<div><div><div class=\"hue-doc-title\">PREFETCH_MODE Query Option (Impala 2.6 or higher only)</div><div><p>\n      Determines whether the prefetching optimization is applied during\n      join query processing.\n    </p><p><b>Type:</b> numeric (0, 1)\n      or corresponding mnemonic strings (<span class=\"hue-doc-codeph\">NONE</span>, <span class=\"hue-doc-codeph\">HT_BUCKET</span>).\n    </p><p><b>Default:</b> 1 (equivalent to <span class=\"hue-doc-codeph\">HT_BUCKET</span>)\n    </p><p><b>Added in:</b>Impala 2.6.0</p><p><b>Usage notes:</b></p><p>\n      The default mode is 1, which means that hash table buckets are\n      prefetched during join query processing.\n    </p><p><b>Related information:</b></p><p><a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_joins.xml\" data-doc-anchor-id=\"joins\">Joins in Impala SELECT Statements</a>,\n      <a class=\"hue-doc-external-link\" href=\"https://www.cloudera.com/documentation/enterprise/latest/topics/impala_perf_joins.html#perf_joins\" target=\"_blank\">Performance Considerations for Join Queries</a>.\n    </p></div></div></div>","title":"PREFETCH_MODE Query Option (Impala 2.6 or higher only)"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_query_options.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_query_timeout_s.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_refresh.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_refresh_functions.json

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+{"body":"<div><div><div class=\"hue-doc-title\">REFRESH FUNCTIONS Statement</div><div><p>\n      In Impala 2.9 and higher, you can run the <span class=\"hue-doc-codeph\">REFRESH\n      FUNCTIONS</span> statement to refresh the user-defined functions (UDFs) created outside\n      of Impala. For example, you can add Java-based UDFs to the metastore database through the\n      Hive <span class=\"hue-doc-codeph\">CREATE FUNCTION</span> statements and make those UDFs visible to Impala at\n      the database level by subsequently running <span class=\"hue-doc-codeph\">REFRESH FUNCTIONS</span>.\n    </p><p>\n      The <span class=\"hue-doc-codeph\">REFRESH FUNCTIONS</span> statement is only required if you create or modify\n      UDFs from outside of Impala. Updated metadata, as a result of running <span class=\"hue-doc-codeph\">REFRESH\n      FUNCTIONS</span>, is broadcast to all Impala coordinators.\n    </p><p>\n      Once issued, the <span class=\"hue-doc-codeph\">REFRESH FUNCTIONS</span> statement cannot be cancelled.\n    </p><p><b>Syntax:</b></p><p><span class=\"hue-doc-ph\"><span class=\"hue-doc-codeph\">REFRESH FUNCTIONS</span><span class=\"hue-doc-varname\">db_name</span></span></p></div></div></div>","title":"REFRESH FUNCTIONS Statement"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_replica_preference.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_reservation_request_timeout.json

@@ -1 +0,0 @@
-{"body":"<div><div><div class=\"hue-doc-title\">RESERVATION_REQUEST_TIMEOUT Query Option</div><div><div class=\"hue-doc-note\"><p>\n          This query option no longer has any effect.\n          The use of the Llama component for integrated resource management within YARN is no\n          longer supported with Impala 2.3 and higher, and the Llama\n          support code is removed entirely in Impala 2.8 and higher.\n        </p></div></div></div></div>","title":"RESERVATION_REQUEST_TIMEOUT Query Option"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_revoke.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_runtime_bloom_filter_size.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_runtime_filter_max_size.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_runtime_filter_min_size.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_runtime_filter_mode.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_runtime_filter_wait_time_ms.json

@@ -0,0 +1 @@
+{"body":"<div><div><div class=\"hue-doc-title\">RUNTIME_FILTER_WAIT_TIME_MS Query Option (Impala 2.5 or higher only)</div><div><p>\n      The <span class=\"hue-doc-codeph\">RUNTIME_FILTER_WAIT_TIME_MS</span> query option\n      adjusts the settings for the runtime filtering feature.\n      It specifies a time in milliseconds that each scan node waits for\n      runtime filters to be produced by other plan fragments.\n    </p><p><b>Type:</b> integer\n      </p><p><b>Default:</b> 0 (meaning use the value from the corresponding <span class=\"hue-doc-cmdname\">impalad</span> startup option)\n    </p><p><b>Added in:</b>Impala 2.5.0</p><p><b>Usage notes:</b></p><p>\n        Because the runtime filtering feature applies mainly to resource-intensive\n        and long-running queries, only adjust this query option when tuning long-running queries\n        involving some combination of large partitioned tables and joins involving large tables.\n      </p><p><b>Related information:</b></p><p><a class=\"hue-doc-external-link\" href=\"https://www.cloudera.com/documentation/enterprise/latest/topics/impala_runtime_filtering.html\" target=\"_blank\">Runtime Filtering for Impala Queries (Impala 2.5 or higher only)</a>,\n      <a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_runtime_filter_mode.xml\" data-doc-anchor-id=\"runtime_filter_mode\">RUNTIME_FILTER_MODE Query Option (Impala 2.5 or higher only)</a></p></div></div></div>","title":"RUNTIME_FILTER_WAIT_TIME_MS Query Option (Impala 2.5 or higher only)"}

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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_s3_skip_insert_staging.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_scan_bytes_limit.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_schedule_random_replica.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_schema_objects.json


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desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_scratch_limit.json

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+{"body":"<div><div><div class=\"hue-doc-title\">SCRATCH_LIMIT Query Option</div><div><p>\n      Specifies the maximum amount of disk storage, in bytes, that any Impala query can consume\n      on any host using the <q>spill to disk</q> mechanism that handles queries that exceed\n      the memory limit.\n    </p><p><b>Syntax:</b></p><p>\n      Specify the size in bytes, or with a trailing <span class=\"hue-doc-codeph\">m</span> or <span class=\"hue-doc-codeph\">g</span> character to indicate\n      megabytes or gigabytes. For example:\n    </p><div class=\"hue-doc-codeblock\">-- 128 megabytes.\nset SCRATCH_LIMIT=134217728\n\n-- 512 megabytes.\nset SCRATCH_LIMIT=512m;\n\n-- 1 gigabyte.\nset SCRATCH_LIMIT=1g;\n</div><p><b>Usage notes:</b></p><p>\n      A value of zero turns off the spill to disk feature for queries\n      in the current session, causing them to fail immediately if they\n      exceed the memory limit.\n    </p><p>\n      The amount of memory used per host for a query is limited by the\n      <span class=\"hue-doc-codeph\">MEM_LIMIT</span> query option.\n    </p><p>\n      The more Impala daemon hosts in the cluster, the less memory is used on each host,\n      and therefore also less scratch space is required for queries that\n      exceed the memory limit.\n    </p><p><b>Type:</b> numeric, with optional unit specifier\n    </p><p><b>Default:</b> -1 (amount of spill space is unlimited)\n    </p><p><b>Related information:</b></p><p><a class=\"hue-doc-external-link\" href=\"https://www.cloudera.com/documentation/enterprise/latest/topics/impala_scalability.html#spill_to_disk\" target=\"_blank\">SQL Operations that Spill to Disk</a>,\n      <a class=\"hue-doc-internal-link\" href=\"javascript:void(0);\" data-doc-ref=\"topics/impala_mem_limit.xml\" data-doc-anchor-id=\"mem_limit\">MEM_LIMIT Query Option</a></p></div></div></div>","title":"SCRATCH_LIMIT Query Option"}

Filskillnaden har hållts tillbaka eftersom den är för stor
+ 0 - 0
desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_select.json


Filskillnaden har hållts tillbaka eftersom den är för stor
+ 0 - 0
desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_set.json


Filskillnaden har hållts tillbaka eftersom den är för stor
+ 0 - 0
desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_show.json


+ 1 - 0
desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_shuffle_distinct_exprs.json

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+{"body":"<div><div><div class=\"hue-doc-title\">SHUFFLE_DISTINCT_EXPRS Query Option</div><div><p>\n      The <span class=\"hue-doc-codeph\">SHUFFLE_DISTINCT_EXPRS</span> query option controls the\n      shuffling behavior when a query has both grouping and distinct expressions.\n      Impala can optionally include the distinct expressions in the hash exchange\n      to spread the data among more nodes. However, this plan requires one more\n      hash exchange phase.\n    </p><p>\n      It is recommended that you turn off this option if the NDVs of the grouping\n      expressions are high.\n    </p><p><b>Type:</b> Boolean; recognized values are 1 and 0, or <span class=\"hue-doc-codeph\">true</span> and <span class=\"hue-doc-codeph\">false</span>;\n        any other value interpreted as <span class=\"hue-doc-codeph\">false</span></p><p><b>Default:</b><span class=\"hue-doc-codeph\">false</span></p></div></div></div>","title":"SHUFFLE_DISTINCT_EXPRS Query Option"}

Filskillnaden har hållts tillbaka eftersom den är för stor
+ 0 - 0
desktop/core/src/desktop/static/desktop/docs/impala/topics/impala_shutdown.json


Vissa filer visades inte eftersom för många filer har ändrats