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new 901c740 [SPARK-27161][SQL][FOLLOWUP] Drops non-keywords from
docs/sql-keywords.md
901c740 is described below
commit 901c7408a42a807927542c41181688bdc8132bdf
Author: Takeshi Yamamuro <[email protected]>
AuthorDate: Tue Mar 19 20:18:40 2019 +0800
[SPARK-27161][SQL][FOLLOWUP] Drops non-keywords from docs/sql-keywords.md
## What changes were proposed in this pull request?
This pr is a follow-up of #24093 and includes fixes below;
- Lists up all the keywords of Spark only (that is, drops non-keywords
there); I listed up all the keywords of ANSI SQL-2011 in the previous commit
(SPARK-26215).
- Sorts the keywords in `SqlBase.g4` in a alphabetical order
## How was this patch tested?
Pass Jenkins.
Closes #24125 from maropu/SPARK-27161-FOLLOWUP.
Authored-by: Takeshi Yamamuro <[email protected]>
Signed-off-by: Wenchen Fan <[email protected]>
---
docs/sql-keywords.md | 330 +--------------
.../apache/spark/sql/catalyst/parser/SqlBase.g4 | 445 +++++++++++----------
.../parser/TableIdentifierParserSuite.scala | 325 +--------------
.../sql-tests/results/describe-query.sql.out | 2 +-
4 files changed, 235 insertions(+), 867 deletions(-)
diff --git a/docs/sql-keywords.md b/docs/sql-keywords.md
index 5ba3ad8..40f7586 100644
--- a/docs/sql-keywords.md
+++ b/docs/sql-keywords.md
@@ -19,79 +19,36 @@ Below is a list of all the keywords in Spark SQL.
<table class="table">
<tr><th rowspan="2" style="vertical-align: middle;"><b>Keyword</b></th><th
colspan="2"><b>Spark SQL</b></th><th rowspan="2" style="vertical-align:
middle;"><b>SQL-2011</b></th></tr>
<tr><th><b>ANSI mode</b></th><th><b>default mode</b></th></tr>
-
<tr><td>ABS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ABSOLUTE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ACOS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ACTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ADD</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>AFTER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ALL</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ALLOCATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ALTER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ANALYZE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>AND</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ANTI</td><td>reserved</td><td>strict-non-reserved</td><td>non-reserved</td></tr>
<tr><td>ANY</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ARE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ARCHIVE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ARRAY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ARRAY_AGG</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ARRAY_MAX_CARDINALITY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>AS</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ASC</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ASENSITIVE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ASIN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ASSERTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ASYMMETRIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>AT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ATAN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ATOMIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>AUTHORIZATION</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>AVG</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BEFORE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>BEGIN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BEGIN_FRAME</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BEGIN_PARTITION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>BETWEEN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BIGINT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BINARY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BIT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>BIT_LENGTH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>BLOB</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BOOLEAN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>BOTH</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>BREADTH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>BUCKET</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>BUCKETS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>BY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CACHE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CALL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CALLED</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CARDINALITY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CASCADE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CASCADED</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CASE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CAST</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CATALOG</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CEIL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CEILING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CHANGE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CHAR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CHAR_LENGTH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CHARACTER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CHARACTER_LENGTH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CHECK</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CLASSIFIER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>CLEAR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CLOB</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CLOSE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CLUSTER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>CLUSTERED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>COALESCE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CODEGEN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>COLLATE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>COLLATION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>COLLECT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>COLLECTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>COLUMN</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>COLUMNS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
@@ -101,102 +58,40 @@ Below is a list of all the keywords in Spark SQL.
<tr><td>COMPACTIONS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>COMPUTE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>CONCATENATE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CONDITION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CONNECT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CONNECTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>CONSTRAINT</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CONSTRAINTS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CONSTRUCTOR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CONTAINS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CONTINUE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CONVERT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>COPY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>CORR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CORRESPONDING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>COS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>COSH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>COST</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>COUNT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>COVAR_POP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>COVAR_SAMP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CREATE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CROSS</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
<tr><td>CUBE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CUME_DIST</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CURRENT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_CATALOG</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CURRENT_DATE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_DEFAULT_TRANSFORM_GROUP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_PATH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_ROLE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_ROW</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_SCHEMA</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CURRENT_TIME</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CURRENT_TIMESTAMP</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURRENT_TRANSFORM_GROUP_FOR_TYPE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>CURRENT_USER</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CURSOR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>CYCLE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DATA</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DATABASE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DATABASES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DAY</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DAYS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DBPROPERTIES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DEALLOCATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DEC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DECFLOAT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DECIMAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DECLARE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DEFAULT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DEFERRABLE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DEFERRED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DEFINE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DEFINED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DELETE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DELIMITED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DENSE_RANK</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DEPTH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DEREF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DESC</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DESCRIBE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>QUERY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DESCRIPTOR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DETERMINISTIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DFS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DIAGNOSTICS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DIRECTORIES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DIRECTORY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DISCONNECT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DISTINCT</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DISTRIBUTE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>DIV</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DO</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DOMAIN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>DOUBLE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>DROP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>DYNAMIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>EACH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ELEMENT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ELSE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ELSEIF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>EMPTY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>END</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>END_FRAME</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>END_PARTITION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>EQUALS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ESCAPE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ESCAPED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>EVERY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>EXCEPT</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>EXCEPTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>EXCHANGE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>EXEC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>EXECUTE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>EXISTS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>EXIT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>EXP</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>EXPLAIN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>EXPORT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>EXTENDED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
@@ -206,243 +101,108 @@ Below is a list of all the keywords in Spark SQL.
<tr><td>FETCH</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FIELDS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>FILEFORMAT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>FILTER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FIRST</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>FIRST_VALUE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>FLOAT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FOLLOWING</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>FOR</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FOREIGN</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FORMAT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>FORMATTED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>FOUND</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>FRAME_ROW</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>FREE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FROM</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FULL</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
<tr><td>FUNCTION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>FUNCTIONS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>FUSION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>GENERAL</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>GET</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>GLOBAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>GO</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>GOTO</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>GRANT</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>GROUP</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>GROUPING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>GROUPS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>HANDLER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>HAVING</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>HOLD</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>HOUR</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>HOURS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>IDENTITY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>IF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>IGNORE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>IMMEDIATE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>IMPORT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>IN</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>INDICATOR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>INDEX</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>INDEXES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>INITIAL</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>INITIALLY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>INNER</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>INOUT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>INPATH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>INPUT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>INPUTFORMAT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>INSENSITIVE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>INSERT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>INT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>INTEGER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>INTERSECT</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>INTERSECTION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>INTERVAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>INTO</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>IS</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ISOLATION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ITEMS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ITERATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>JOIN</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>JSON_ARRAY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_ARRAYAGG</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_EXISTS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_OBJECT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_OBJECTAGG</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_QUERY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_TABLE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_TABLE_PRIMITIVE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>JSON_VALUE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>KEY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>KEYS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LAG</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LANGUAGE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>LARGE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LAST</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LAST_VALUE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LATERAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LAZY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LEAD</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LEADING</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>LEAVE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LEFT</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>LEVEL</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LIKE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>LIKE_REGEX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LIMIT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LINES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LIST</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LISTAGG</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LOAD</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LOCAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>LOCALTIME</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>LOCALTIMESTAMP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>LOCATION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LOCATOR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LOCK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LOCKS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LOG</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LOG10</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>LOGICAL</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>LOOP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>LOWER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>MACRO</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>MAP</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MATCH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>MATCH_NUMBER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MATCH_RECOGNIZE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MATCHES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MAX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>MEMBER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>MERGE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>METHOD</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>MICROSECOND</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>MICROSECONDS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>MILLISECOND</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>MILLISECONDS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MIN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>MINUS</td><td>reserved</td><td>reserved</td><td>non-reserved</td></tr>
+
<tr><td>MINUS</td><td>reserved</td><td>strict-non-reserved</td><td>non-reserved</td></tr>
<tr><td>MINUTE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>MINUTES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MOD</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>MODIFIES</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>MODULE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>MONTH</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>MONTHS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>MSCK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>MULTISET</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NAMES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>NATIONAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>NATURAL</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>NCHAR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NCLOB</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NEW</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NEXT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>NO</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NONE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NORMALIZE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>NOT</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NTH_VALUE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NTILE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>NULL</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>NULLS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>NULLIF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>NUMERIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OBJECT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>OCCURRENCES_REGEX</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>OCTET_LENGTH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>OF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OFFSET</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OLD</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OMIT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ON</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>ONE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ONLY</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OPEN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>OPTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>OPTIONS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>OR</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ORDER</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ORDINALITY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>OUT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>OUTER</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OUTPUT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>OUTPUTFORMAT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>OVER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>OVERLAPS</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>OVERLAY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>OVERWRITE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PAD</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PARAMETER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PARTIAL</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>PARTITION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>PARTITIONED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>PARTITIONS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PATH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PATTERN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PERCENT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PERCENT_RANK</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PERCENTILE_CONT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PERCENTILE_DISC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PERCENTLIT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PERIOD</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
+
<tr><td>PERCENT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>PIVOT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PORTION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>POSITION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>POSITION_REGEX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>POWER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PRECEDES</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>PRECEDING</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PRECISION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PREPARE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PRESERVE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>PRIMARY</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>PRINCIPALS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PRIOR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PRIVILEGES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PROCEDURE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>PTF</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>PUBLIC</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>PURGE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
+
<tr><td>QUERY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>RANGE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>RANK</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>READ</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>READS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>RECORDREADER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>RECORDWRITER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>RECURSIVE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>RECOVER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>REDUCE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>REF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>REFERENCES</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REFERENCING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>REFRESH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>REGR_AVGX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_AVGY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_COUNT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_INTERCEPT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_R2</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_SLOPE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_SXX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_SXY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>REGR_SYY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>RELATIVE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>RELEASE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>RENAME</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>REPAIR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>REPEAT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>REPLACE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>RESET</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>RESIGNAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>RESTRICT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>RESULT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>RETURN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>RETURNS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>REVOKE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>RIGHT</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
<tr><td>RLIKE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
@@ -450,142 +210,62 @@ Below is a list of all the keywords in Spark SQL.
<tr><td>ROLES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ROLLBACK</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ROLLUP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ROUTINE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>ROW</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>ROW_NUMBER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>ROWS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>RUNNING</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SAVEPOINT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SCHEMA</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SCOPE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SCROLL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SEARCH</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SECOND</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SECONDS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SECTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SEEK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SELECT</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SEMI</td><td>reserved</td><td>strict-non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SENSITIVE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SEPARATED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SERDE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SERDEPROPERTIES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SESSION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SESSION_USER</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SET</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SETS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SHOW</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SIGNAL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SIMILAR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SIN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SINH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SIZE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SKIP</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SKEWED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SMALLINT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SOME</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>SORT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>SORTED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SPACE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SPECIFIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SPECIFICTYPE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SQL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SQLCODE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SQLERROR</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SQLEXCEPTION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SQLSTATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SQLWARNING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SQRT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>START</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>STATE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>STATIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>STATISTICS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>STDDEV_POP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>STDDEV_SAMP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>STORED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>STRATIFY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>STRUCT</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SUBMULTISET</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SUBSET</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>SUBSTRING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SUBSTRING_REGEX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SUCCEEDS</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SUM</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SYMMETRIC</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SYSTEM</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SYSTEM_TIME</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>SYSTEM_USER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TABLE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TABLES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TABLESAMPLE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TAN</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>TANH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TBLPROPERTIES</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TEMPORARY</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TERMINATED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>THEN</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TIME</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TIMESTAMP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TIMEZONE_HOUR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TIMEZONE_MINUTE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TO</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TOUCH</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TRAILING</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TRANSACTION</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TRANSACTIONS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>TRANSFORM</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>TRANSLATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TRANSLATE_REGEX</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TRANSLATION</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TREAT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TRIGGER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TRIM</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>TRIM_ARRAY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TRUE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>TRUNCATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>UESCAPE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>UNARCHIVE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>UNBOUNDED</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>UNCACHE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>UNDER</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>UNDO</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>UNION</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
<tr><td>UNIQUE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>UNKNOWN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>UNLOCK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>UNNEST</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>UNSET</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>UNTIL</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>UPDATE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>UPPER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>USAGE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>USE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>USER</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>USING</td><td>reserved</td><td>strict-non-reserved</td><td>reserved</td></tr>
-
<tr><td>VALUE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>VALUES</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VALUE_OF</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VAR_POP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VAR_SAMP</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VARBINARY</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VARCHAR</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VARYING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>VERSIONING</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>VIEW</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
+
<tr><td>WEEK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
+
<tr><td>WEEKS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>WHEN</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>WHENEVER</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>WHERE</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>WHILE</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>WIDTH_BUCKET</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>WINDOW</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>WITH</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>WITHIN</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>WITHOUT</td><td>non-reserved</td><td>non-reserved</td><td>reserved</td></tr>
-
<tr><td>WEEK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>WEEKS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>WORK</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>WRITE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
<tr><td>YEAR</td><td>reserved</td><td>non-reserved</td><td>reserved</td></tr>
<tr><td>YEARS</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
-
<tr><td>ZONE</td><td>non-reserved</td><td>non-reserved</td><td>non-reserved</td></tr>
</table>
diff --git
a/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
b/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
index 4d02d62..77d30fb 100644
---
a/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
+++
b/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
@@ -903,9 +903,9 @@ ansiNonReserved
| PARTITION
| PARTITIONED
| PARTITIONS
- | PERCENT
| PERCENTLIT
| PIVOT
+ | POSITION
| PRECEDING
| PRINCIPALS
| PURGE
@@ -1179,6 +1179,7 @@ nonReserved
| ROLLUP
| ROW
| ROWS
+ | SCHEMA
| SECOND
| SECONDS
| SELECT
@@ -1233,257 +1234,261 @@ nonReserved
| YEARS
;
+// NOTE: If you add a new token in the list below, you should update the list
of keywords
+// in `docs/sql-keywords.md`. If the token is a non-reserved keyword,
+// please update `ansiNonReserved` and `nonReserved` as well.
+
//============================
// Start of the keywords list
//============================
-SELECT: 'SELECT';
-FROM: 'FROM';
ADD: 'ADD';
-AS: 'AS';
+AFTER: 'AFTER';
ALL: 'ALL';
+ALTER: 'ALTER';
+ANALYZE: 'ANALYZE';
+AND: 'AND';
+ANTI: 'ANTI';
ANY: 'ANY';
-DISTINCT: 'DISTINCT';
-WHERE: 'WHERE';
-GROUP: 'GROUP';
-BY: 'BY';
-GROUPING: 'GROUPING';
-SETS: 'SETS';
-CUBE: 'CUBE';
-ROLLUP: 'ROLLUP';
-ORDER: 'ORDER';
-HAVING: 'HAVING';
-LIMIT: 'LIMIT';
+ARCHIVE: 'ARCHIVE';
+ARRAY: 'ARRAY';
+AS: 'AS';
+ASC: 'ASC';
AT: 'AT';
-OR: 'OR';
-AND: 'AND';
-IN: 'IN';
-NOT: 'NOT' | '!';
-NO: 'NO';
-EXISTS: 'EXISTS';
+AUTHORIZATION: 'AUTHORIZATION';
BETWEEN: 'BETWEEN';
-LIKE: 'LIKE';
-RLIKE: 'RLIKE' | 'REGEXP';
-IS: 'IS';
-NULL: 'NULL';
-TRUE: 'TRUE';
-FALSE: 'FALSE';
-NULLS: 'NULLS';
-ASC: 'ASC';
-DESC: 'DESC';
-FOR: 'FOR';
-INTERVAL: 'INTERVAL';
-YEAR: 'YEAR';
-YEARS: 'YEARS';
-MONTH: 'MONTH';
-MONTHS: 'MONTHS';
-WEEK: 'WEEK';
-WEEKS: 'WEEKS';
-DAY: 'DAY';
-DAYS: 'DAYS';
-HOUR: 'HOUR';
-HOURS: 'HOURS';
-MINUTE: 'MINUTE';
-MINUTES: 'MINUTES';
-SECOND: 'SECOND';
-SECONDS: 'SECONDS';
-MILLISECOND: 'MILLISECOND';
-MILLISECONDS: 'MILLISECONDS';
-MICROSECOND: 'MICROSECOND';
-MICROSECONDS: 'MICROSECONDS';
+BOTH: 'BOTH';
+BUCKET: 'BUCKET';
+BUCKETS: 'BUCKETS';
+BY: 'BY';
+CACHE: 'CACHE';
+CASCADE: 'CASCADE';
CASE: 'CASE';
-WHEN: 'WHEN';
-THEN: 'THEN';
-ELSE: 'ELSE';
-END: 'END';
-JOIN: 'JOIN';
-CROSS: 'CROSS';
-OUTER: 'OUTER';
-INNER: 'INNER';
-LEFT: 'LEFT';
-SEMI: 'SEMI';
-RIGHT: 'RIGHT';
-FULL: 'FULL';
-NATURAL: 'NATURAL';
-ON: 'ON';
-PIVOT: 'PIVOT';
-LATERAL: 'LATERAL';
-WINDOW: 'WINDOW';
-OVER: 'OVER';
-PARTITION: 'PARTITION';
-RANGE: 'RANGE';
-ROWS: 'ROWS';
-UNBOUNDED: 'UNBOUNDED';
-PRECEDING: 'PRECEDING';
-FOLLOWING: 'FOLLOWING';
-CURRENT: 'CURRENT';
-FIRST: 'FIRST';
-AFTER: 'AFTER';
-LAST: 'LAST';
-ROW: 'ROW';
-WITH: 'WITH';
-VALUES: 'VALUES';
-CREATE: 'CREATE';
-TABLE: 'TABLE';
-QUERY: 'QUERY';
-DIRECTORY: 'DIRECTORY';
-VIEW: 'VIEW';
-REPLACE: 'REPLACE';
-INSERT: 'INSERT';
-DELETE: 'DELETE';
-INTO: 'INTO';
-DESCRIBE: 'DESCRIBE';
-EXPLAIN: 'EXPLAIN';
-FORMAT: 'FORMAT';
-LOGICAL: 'LOGICAL';
-CODEGEN: 'CODEGEN';
-COST: 'COST';
CAST: 'CAST';
-SHOW: 'SHOW';
-TABLES: 'TABLES';
-COLUMNS: 'COLUMNS';
+CHANGE: 'CHANGE';
+CHECK: 'CHECK';
+CLEAR: 'CLEAR';
+CLUSTER: 'CLUSTER';
+CLUSTERED: 'CLUSTERED';
+CODEGEN: 'CODEGEN';
+COLLATE: 'COLLATE';
+COLLECTION: 'COLLECTION';
COLUMN: 'COLUMN';
-USE: 'USE';
-PARTITIONS: 'PARTITIONS';
-FUNCTIONS: 'FUNCTIONS';
-DROP: 'DROP';
-UNION: 'UNION';
-EXCEPT: 'EXCEPT';
-SETMINUS: 'MINUS';
-INTERSECT: 'INTERSECT';
-TO: 'TO';
-TABLESAMPLE: 'TABLESAMPLE';
-STRATIFY: 'STRATIFY';
-ALTER: 'ALTER';
-RENAME: 'RENAME';
-ARRAY: 'ARRAY';
-MAP: 'MAP';
-STRUCT: 'STRUCT';
+COLUMNS: 'COLUMNS';
COMMENT: 'COMMENT';
-SET: 'SET';
-RESET: 'RESET';
-DATA: 'DATA';
-START: 'START';
-TRANSACTION: 'TRANSACTION';
COMMIT: 'COMMIT';
-ROLLBACK: 'ROLLBACK';
-MACRO: 'MACRO';
-IGNORE: 'IGNORE';
-BOTH: 'BOTH';
-LEADING: 'LEADING';
-TRAILING: 'TRAILING';
-IF: 'IF';
-POSITION: 'POSITION';
-EXTRACT: 'EXTRACT';
-PERCENTLIT: 'PERCENT';
-BUCKET: 'BUCKET';
-OUT: 'OUT';
-OF: 'OF';
-SORT: 'SORT';
-CLUSTER: 'CLUSTER';
-DISTRIBUTE: 'DISTRIBUTE';
-OVERWRITE: 'OVERWRITE';
-TRANSFORM: 'TRANSFORM';
-REDUCE: 'REDUCE';
-USING: 'USING';
-SERDE: 'SERDE';
-SERDEPROPERTIES: 'SERDEPROPERTIES';
-RECORDREADER: 'RECORDREADER';
-RECORDWRITER: 'RECORDWRITER';
-DELIMITED: 'DELIMITED';
-FIELDS: 'FIELDS';
-TERMINATED: 'TERMINATED';
-COLLECTION: 'COLLECTION';
-ITEMS: 'ITEMS';
-KEYS: 'KEYS';
-ESCAPED: 'ESCAPED';
-LINES: 'LINES';
-SEPARATED: 'SEPARATED';
-FUNCTION: 'FUNCTION';
-EXTENDED: 'EXTENDED';
-REFRESH: 'REFRESH';
-CLEAR: 'CLEAR';
-CACHE: 'CACHE';
-UNCACHE: 'UNCACHE';
-LAZY: 'LAZY';
-FORMATTED: 'FORMATTED';
-GLOBAL: 'GLOBAL';
-TEMPORARY: 'TEMPORARY' | 'TEMP';
-OPTIONS: 'OPTIONS';
-UNSET: 'UNSET';
-TBLPROPERTIES: 'TBLPROPERTIES';
-DBPROPERTIES: 'DBPROPERTIES';
-BUCKETS: 'BUCKETS';
-SKEWED: 'SKEWED';
-STORED: 'STORED';
-DIRECTORIES: 'DIRECTORIES';
-LOCATION: 'LOCATION';
-EXCHANGE: 'EXCHANGE';
-ARCHIVE: 'ARCHIVE';
-UNARCHIVE: 'UNARCHIVE';
-FILEFORMAT: 'FILEFORMAT';
-TOUCH: 'TOUCH';
COMPACT: 'COMPACT';
+COMPACTIONS: 'COMPACTIONS';
+COMPUTE: 'COMPUTE';
CONCATENATE: 'CONCATENATE';
-CHANGE: 'CHANGE';
-CASCADE: 'CASCADE';
-RESTRICT: 'RESTRICT';
-CLUSTERED: 'CLUSTERED';
-SORTED: 'SORTED';
-PURGE: 'PURGE';
-INPUTFORMAT: 'INPUTFORMAT';
-OUTPUTFORMAT: 'OUTPUTFORMAT';
-SCHEMA: 'SCHEMA';
+CONSTRAINT: 'CONSTRAINT';
+COST: 'COST';
+CREATE: 'CREATE';
+CROSS: 'CROSS';
+CUBE: 'CUBE';
+CURRENT: 'CURRENT';
+CURRENT_DATE: 'CURRENT_DATE';
+CURRENT_TIME: 'CURRENT_TIME';
+CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP';
+CURRENT_USER: 'CURRENT_USER';
+DATA: 'DATA';
DATABASE: 'DATABASE';
DATABASES: 'DATABASES' | 'SCHEMAS';
+DAY: 'DAY';
+DAYS: 'DAYS';
+DBPROPERTIES: 'DBPROPERTIES';
+DEFINED: 'DEFINED';
+DELETE: 'DELETE';
+DELIMITED: 'DELIMITED';
+DESC: 'DESC';
+DESCRIBE: 'DESCRIBE';
DFS: 'DFS';
-TRUNCATE: 'TRUNCATE';
-ANALYZE: 'ANALYZE';
-COMPUTE: 'COMPUTE';
-LIST: 'LIST';
-STATISTICS: 'STATISTICS';
-PARTITIONED: 'PARTITIONED';
+DIRECTORIES: 'DIRECTORIES';
+DIRECTORY: 'DIRECTORY';
+DISTINCT: 'DISTINCT';
+DISTRIBUTE: 'DISTRIBUTE';
+DROP: 'DROP';
+ELSE: 'ELSE';
+END: 'END';
+ESCAPED: 'ESCAPED';
+EXCEPT: 'EXCEPT';
+EXCHANGE: 'EXCHANGE';
+EXISTS: 'EXISTS';
+EXPLAIN: 'EXPLAIN';
+EXPORT: 'EXPORT';
+EXTENDED: 'EXTENDED';
EXTERNAL: 'EXTERNAL';
-DEFINED: 'DEFINED';
-REVOKE: 'REVOKE';
+EXTRACT: 'EXTRACT';
+FALSE: 'FALSE';
+FETCH: 'FETCH';
+FIELDS: 'FIELDS';
+FILEFORMAT: 'FILEFORMAT';
+FIRST: 'FIRST';
+FOLLOWING: 'FOLLOWING';
+FOR: 'FOR';
+FOREIGN: 'FOREIGN';
+FORMAT: 'FORMAT';
+FORMATTED: 'FORMATTED';
+FROM: 'FROM';
+FULL: 'FULL';
+FUNCTION: 'FUNCTION';
+FUNCTIONS: 'FUNCTIONS';
+GLOBAL: 'GLOBAL';
GRANT: 'GRANT';
-LOCK: 'LOCK';
-UNLOCK: 'UNLOCK';
-MSCK: 'MSCK';
-REPAIR: 'REPAIR';
-RECOVER: 'RECOVER';
-EXPORT: 'EXPORT';
+GROUP: 'GROUP';
+GROUPING: 'GROUPING';
+HAVING: 'HAVING';
+HOUR: 'HOUR';
+HOURS: 'HOURS';
+IF: 'IF';
+IGNORE: 'IGNORE';
IMPORT: 'IMPORT';
-LOAD: 'LOAD';
-ROLE: 'ROLE';
-ROLES: 'ROLES';
-COMPACTIONS: 'COMPACTIONS';
-PRINCIPALS: 'PRINCIPALS';
-TRANSACTIONS: 'TRANSACTIONS';
+IN: 'IN';
INDEX: 'INDEX';
INDEXES: 'INDEXES';
-LOCKS: 'LOCKS';
-OPTION: 'OPTION';
-ANTI: 'ANTI';
-LOCAL: 'LOCAL';
+INNER: 'INNER';
INPATH: 'INPATH';
-AUTHORIZATION: 'AUTHORIZATION';
-CHECK: 'CHECK';
-COLLATE: 'COLLATE';
-CONSTRAINT: 'CONSTRAINT';
-CURRENT_DATE: 'CURRENT_DATE';
-CURRENT_TIME: 'CURRENT_TIME';
-CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP';
-CURRENT_USER: 'CURRENT_USER';
-FETCH: 'FETCH';
-FOREIGN: 'FOREIGN';
+INPUTFORMAT: 'INPUTFORMAT';
+INSERT: 'INSERT';
+INTERSECT: 'INTERSECT';
+INTERVAL: 'INTERVAL';
+INTO: 'INTO';
+IS: 'IS';
+ITEMS: 'ITEMS';
+JOIN: 'JOIN';
+KEYS: 'KEYS';
+LAST: 'LAST';
+LATERAL: 'LATERAL';
+LAZY: 'LAZY';
+LEADING: 'LEADING';
+LEFT: 'LEFT';
+LIKE: 'LIKE';
+LIMIT: 'LIMIT';
+LINES: 'LINES';
+LIST: 'LIST';
+LOAD: 'LOAD';
+LOCAL: 'LOCAL';
+LOCATION: 'LOCATION';
+LOCK: 'LOCK';
+LOCKS: 'LOCKS';
+LOGICAL: 'LOGICAL';
+MACRO: 'MACRO';
+MAP: 'MAP';
+MICROSECOND: 'MICROSECOND';
+MICROSECONDS: 'MICROSECONDS';
+MILLISECOND: 'MILLISECOND';
+MILLISECONDS: 'MILLISECONDS';
+MINUTE: 'MINUTE';
+MINUTES: 'MINUTES';
+MONTH: 'MONTH';
+MONTHS: 'MONTHS';
+MSCK: 'MSCK';
+NATURAL: 'NATURAL';
+NO: 'NO';
+NOT: 'NOT' | '!';
+NULL: 'NULL';
+NULLS: 'NULLS';
+OF: 'OF';
+ON: 'ON';
ONLY: 'ONLY';
+OPTION: 'OPTION';
+OPTIONS: 'OPTIONS';
+OR: 'OR';
+ORDER: 'ORDER';
+OUT: 'OUT';
+OUTER: 'OUTER';
+OUTPUTFORMAT: 'OUTPUTFORMAT';
+OVER: 'OVER';
OVERLAPS: 'OVERLAPS';
+OVERWRITE: 'OVERWRITE';
+PARTITION: 'PARTITION';
+PARTITIONED: 'PARTITIONED';
+PARTITIONS: 'PARTITIONS';
+PERCENTLIT: 'PERCENT';
+PIVOT: 'PIVOT';
+POSITION: 'POSITION';
+PRECEDING: 'PRECEDING';
PRIMARY: 'PRIMARY';
+PRINCIPALS: 'PRINCIPALS';
+PURGE: 'PURGE';
+QUERY: 'QUERY';
+RANGE: 'RANGE';
+RECORDREADER: 'RECORDREADER';
+RECORDWRITER: 'RECORDWRITER';
+RECOVER: 'RECOVER';
+REDUCE: 'REDUCE';
REFERENCES: 'REFERENCES';
+REFRESH: 'REFRESH';
+RENAME: 'RENAME';
+REPAIR: 'REPAIR';
+REPLACE: 'REPLACE';
+RESET: 'RESET';
+RESTRICT: 'RESTRICT';
+REVOKE: 'REVOKE';
+RIGHT: 'RIGHT';
+RLIKE: 'RLIKE' | 'REGEXP';
+ROLE: 'ROLE';
+ROLES: 'ROLES';
+ROLLBACK: 'ROLLBACK';
+ROLLUP: 'ROLLUP';
+ROW: 'ROW';
+ROWS: 'ROWS';
+SCHEMA: 'SCHEMA';
+SECOND: 'SECOND';
+SECONDS: 'SECONDS';
+SELECT: 'SELECT';
+SEMI: 'SEMI';
+SEPARATED: 'SEPARATED';
+SERDE: 'SERDE';
+SERDEPROPERTIES: 'SERDEPROPERTIES';
SESSION_USER: 'SESSION_USER';
+SET: 'SET';
+SETMINUS: 'MINUS';
+SETS: 'SETS';
+SHOW: 'SHOW';
+SKEWED: 'SKEWED';
SOME: 'SOME';
+SORT: 'SORT';
+SORTED: 'SORTED';
+START: 'START';
+STATISTICS: 'STATISTICS';
+STORED: 'STORED';
+STRATIFY: 'STRATIFY';
+STRUCT: 'STRUCT';
+TABLE: 'TABLE';
+TABLES: 'TABLES';
+TABLESAMPLE: 'TABLESAMPLE';
+TBLPROPERTIES: 'TBLPROPERTIES';
+TEMPORARY: 'TEMPORARY' | 'TEMP';
+TERMINATED: 'TERMINATED';
+THEN: 'THEN';
+TO: 'TO';
+TOUCH: 'TOUCH';
+TRAILING: 'TRAILING';
+TRANSACTION: 'TRANSACTION';
+TRANSACTIONS: 'TRANSACTIONS';
+TRANSFORM: 'TRANSFORM';
+TRUE: 'TRUE';
+TRUNCATE: 'TRUNCATE';
+UNARCHIVE: 'UNARCHIVE';
+UNBOUNDED: 'UNBOUNDED';
+UNCACHE: 'UNCACHE';
+UNION: 'UNION';
UNIQUE: 'UNIQUE';
+UNLOCK: 'UNLOCK';
+UNSET: 'UNSET';
+USE: 'USE';
USER: 'USER';
+USING: 'USING';
+VALUES: 'VALUES';
+VIEW: 'VIEW';
+WEEK: 'WEEK';
+WEEKS: 'WEEKS';
+WHEN: 'WHEN';
+WHERE: 'WHERE';
+WINDOW: 'WINDOW';
+WITH: 'WITH';
+YEAR: 'YEAR';
+YEARS: 'YEARS';
//============================
// End of the keywords list
//============================
diff --git
a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/TableIdentifierParserSuite.scala
b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/TableIdentifierParserSuite.scala
index 4dfd817..f86ce16 100644
---
a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/TableIdentifierParserSuite.scala
+++
b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/TableIdentifierParserSuite.scala
@@ -295,81 +295,38 @@ class TableIdentifierParserSuite extends SparkFunSuite
with SQLHelper {
"where",
"with")
- // All the keywords in `docs/sql-reserved-and-non-reserved-key-words.md` are
listed below:
+ // All the keywords in `docs/sql-keywords.md` are listed below:
val allCandidateKeywords = Set(
- "abs",
- "absolute",
- "acos",
- "action",
"add",
"after",
"all",
- "allocate",
"alter",
"analyze",
"and",
"anti",
"any",
"archive",
- "are",
"array",
- "array_agg",
- "array_max_cardinality",
"as",
"asc",
- "asensitive",
- "asin",
- "assertion",
- "asymmetric",
"at",
- "atan",
- "atomic",
"authorization",
- "avg",
- "before",
- "begin",
- "begin_frame",
- "begin_partition",
"between",
- "bigint",
- "binary",
- "bit",
- "bit_length",
- "blob",
- "boolean",
"both",
- "breadth",
"bucket",
"buckets",
"by",
"cache",
- "call",
- "called",
- "cardinality",
"cascade",
- "cascaded",
"case",
"cast",
- "catalog",
- "ceil",
- "ceiling",
"change",
- "char",
- "char_length",
- "character",
- "character_length",
"check",
- "classifier",
"clear",
- "clob",
- "close",
"cluster",
"clustered",
- "coalesce",
"codegen",
"collate",
- "collation",
- "collect",
"collection",
"column",
"columns",
@@ -379,101 +336,40 @@ class TableIdentifierParserSuite extends SparkFunSuite
with SQLHelper {
"compactions",
"compute",
"concatenate",
- "condition",
- "connect",
- "connection",
"constraint",
- "constraints",
- "constructor",
- "contains",
- "continue",
- "convert",
- "copy",
- "corr",
- "corresponding",
- "cos",
- "cosh",
"cost",
- "count",
- "covar_pop",
- "covar_samp",
"create",
"cross",
"cube",
- "cume_dist",
"current",
- "current_catalog",
"current_date",
- "current_default_transform_group",
- "current_path",
- "current_role",
- "current_row",
- "current_schema",
"current_time",
"current_timestamp",
- "current_transform_group_for_type",
"current_user",
- "cursor",
- "cycle",
"data",
"database",
"databases",
- "date",
"day",
"days",
"dbproperties",
- "deallocate",
- "dec",
- "decfloat",
- "decimal",
- "declare",
- "default",
- "deferrable",
- "deferred",
- "define",
"defined",
"delete",
"delimited",
- "dense_rank",
- "depth",
- "deref",
"desc",
"describe",
- "descriptor",
- "deterministic",
"dfs",
- "diagnostics",
"directories",
"directory",
- "disconnect",
"distinct",
"distribute",
"div",
- "do",
- "domain",
- "double",
"drop",
- "dynamic",
- "each",
- "element",
"else",
- "elseif",
- "empty",
"end",
- "end_frame",
- "end_partition",
- "equals",
- "escape",
"escaped",
- "every",
"except",
- "exception",
"exchange",
- "exec",
- "execute",
"exists",
- "exit",
- "exp",
"explain",
"export",
"extended",
@@ -483,241 +379,108 @@ class TableIdentifierParserSuite extends SparkFunSuite
with SQLHelper {
"fetch",
"fields",
"fileformat",
- "filter",
"first",
- "first_value",
- "float",
"following",
"for",
"foreign",
"format",
"formatted",
- "found",
- "frame_row",
- "free",
"from",
"full",
"function",
"functions",
- "fusion",
- "general",
- "get",
"global",
- "go",
- "goto",
"grant",
"group",
"grouping",
- "groups",
- "handler",
"having",
- "hold",
"hour",
"hours",
- "identity",
"if",
"ignore",
- "immediate",
"import",
"in",
"index",
"indexes",
- "indicator",
- "initial",
- "initially",
"inner",
- "inout",
"inpath",
- "input",
"inputformat",
- "insensitive",
"insert",
- "int",
- "integer",
"intersect",
- "intersection",
"interval",
"into",
"is",
- "isolation",
"items",
- "iterate",
"join",
- "json_array",
- "json_arrayagg",
- "json_exists",
- "json_object",
- "json_objectagg",
- "json_query",
- "json_table",
- "json_table_primitive",
- "json_value",
- "key",
"keys",
- "lag",
- "language",
- "large",
"last",
- "last_value",
"lateral",
"lazy",
- "lead",
"leading",
- "leave",
"left",
- "level",
"like",
- "like_regex",
"limit",
"lines",
"list",
- "listagg",
- "ln",
"load",
"local",
- "localtime",
- "localtimestamp",
"location",
- "locator",
"lock",
"locks",
- "log",
- "log10",
"logical",
- "loop",
- "lower",
"macro",
"map",
- "match",
- "match_number",
- "match_recognize",
- "matches",
- "max",
- "member",
- "merge",
- "method",
"microsecond",
"microseconds",
"millisecond",
"milliseconds",
- "min",
"minus",
"minute",
"minutes",
- "mod",
- "modifies",
- "module",
"month",
"months",
"msck",
- "multiset",
- "names",
- "national",
"natural",
- "nchar",
- "nclob",
- "new",
- "next",
"no",
- "none",
- "normalize",
"not",
- "nth_value",
- "ntile",
"null",
- "nullif",
"nulls",
- "numeric",
- "object",
- "occurrences_regex",
- "octet_length",
"of",
- "offset",
- "old",
- "omit",
"on",
- "one",
"only",
- "open",
"option",
"options",
"or",
"order",
- "ordinality",
"out",
"outer",
- "output",
"outputformat",
"over",
"overlaps",
- "overlay",
"overwrite",
- "pad",
- "parameter",
- "partial",
"partition",
"partitioned",
"partitions",
- "path",
- "pattern",
- "per",
"percent",
- "percent_rank",
- "percentile_cont",
- "percentile_disc",
- "percentlit",
- "period",
"pivot",
- "portion",
- "power",
- "precedes",
+ "position",
"preceding",
- "precision",
- "prepare",
- "preserve",
"primary",
"principals",
- "prior",
- "privileges",
- "procedure",
- "ptf",
- "public",
"purge",
+ "query",
"range",
- "rank",
- "read",
- "reads",
- "real",
"recordreader",
"recordwriter",
"recover",
- "recursive",
"reduce",
- "ref",
"references",
- "referencing",
"refresh",
- "regr_avgx",
- "regr_avgy",
- "regr_count",
- "regr_intercept",
- "regr_r2",
- "regr_slope",
- "regr_sxx",
- "regr_sxy",
- "regr_syy",
- "relative",
- "release",
"rename",
"repair",
- "repeat",
"replace",
"reset",
- "resignal",
"restrict",
- "result",
- "return",
- "returns",
"revoke",
"right",
"rlike",
@@ -725,144 +488,64 @@ class TableIdentifierParserSuite extends SparkFunSuite
with SQLHelper {
"roles",
"rollback",
"rollup",
- "routine",
"row",
- "row_number",
"rows",
- "running",
- "savepoint",
"schema",
- "scope",
- "scroll",
- "search",
"second",
"seconds",
- "section",
- "seek",
"select",
"semi",
- "sensitive",
"separated",
"serde",
"serdeproperties",
- "session",
"session_user",
"set",
"sets",
"show",
- "signal",
- "similar",
- "sin",
- "sinh",
- "size",
"skewed",
- "skip",
- "smallint",
"some",
"sort",
"sorted",
- "space",
- "specific",
- "specifictype",
- "sql",
- "sqlcode",
- "sqlerror",
- "sqlexception",
- "sqlstate",
- "sqlwarning",
- "sqrt",
"start",
- "state",
- "static",
"statistics",
- "stddev_pop",
- "stddev_samp",
"stored",
"stratify",
"struct",
- "submultiset",
- "subset",
- "substring",
- "substring_regex",
- "succeeds",
- "sum",
- "symmetric",
- "system",
- "system_time",
- "system_user",
"table",
"tables",
"tablesample",
- "tan",
- "tanh",
"tblproperties",
"temporary",
"terminated",
"then",
- "time",
- "timestamp",
- "timezone_hour",
- "timezone_minute",
"to",
"touch",
"trailing",
"transaction",
"transactions",
"transform",
- "translate",
- "translate_regex",
- "translation",
- "treat",
- "trigger",
- "trim",
- "trim_array",
"true",
"truncate",
- "uescape",
"unarchive",
"unbounded",
"uncache",
- "under",
- "undo",
"union",
"unique",
- "unknown",
"unlock",
- "unnest",
"unset",
- "until",
- "update",
- "upper",
- "usage",
"use",
"user",
"using",
- "value",
- "value_of",
"values",
- "var_pop",
- "var_samp",
- "varbinary",
- "varchar",
- "varying",
- "versioning",
"view",
"week",
"weeks",
"when",
- "whenever",
"where",
- "while",
- "width_bucket",
"window",
"with",
- "within",
- "without",
- "work",
- "write",
"year",
- "years",
- "zone")
+ "years")
val reservedKeywordsInAnsiMode = Set(
"all",
diff --git
a/sql/core/src/test/resources/sql-tests/results/describe-query.sql.out
b/sql/core/src/test/resources/sql-tests/results/describe-query.sql.out
index 9209ce1..9205b70 100644
--- a/sql/core/src/test/resources/sql-tests/results/describe-query.sql.out
+++ b/sql/core/src/test/resources/sql-tests/results/describe-query.sql.out
@@ -145,7 +145,7 @@ struct<>
-- !query 13 output
org.apache.spark.sql.catalyst.parser.ParseException
-mismatched input 'insert' expecting {<EOF>, '(', ',', 'SELECT', 'WHERE',
'GROUP', 'ORDER', 'HAVING', 'LIMIT', 'JOIN', 'CROSS', 'INNER', 'LEFT', 'SEMI',
'RIGHT', 'FULL', 'NATURAL', 'PIVOT', 'LATERAL', 'WINDOW', 'UNION', 'EXCEPT',
'MINUS', 'INTERSECT', 'SORT', 'CLUSTER', 'DISTRIBUTE', 'ANTI'}(line 3, pos 5)
+mismatched input 'insert' expecting {<EOF>, '(', ',', 'ANTI', 'CLUSTER',
'CROSS', 'DISTRIBUTE', 'EXCEPT', 'FULL', 'GROUP', 'HAVING', 'INNER',
'INTERSECT', 'JOIN', 'LATERAL', 'LEFT', 'LIMIT', 'NATURAL', 'ORDER', 'PIVOT',
'RIGHT', 'SELECT', 'SEMI', 'MINUS', 'SORT', 'UNION', 'WHERE', 'WINDOW'}(line 3,
pos 5)
== SQL ==
DESCRIBE
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