snuyanzin commented on code in PR #22063: URL: https://github.com/apache/flink/pull/22063#discussion_r1156496831
########## flink-table/flink-sql-client/src/main/resources/keywords.properties: ########## @@ -0,0 +1,20 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to you under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# Resources for the Apache Calcite project. +# See wrapper class org.apache.calcite.runtime.CalciteResource. +# +default=ABS;ALL;ALLOCATE;ALLOW;ALTER;AND;ANY;ARE;ARRAY;ARRAY_AGG;ARRAY_CONCAT_AGG;ARRAY_MAX_CARDINALITY;AS;ASENSITIVE;ASYMMETRIC;AT;ATOMIC;AUTHORIZATION;AVG;BEGIN;BEGIN_FRAME;BEGIN_PARTITION;BETWEEN;BIGINT;BINARY;BIT;BLOB;BOOLEAN;BOTH;BY;BYTES;CALL;CALLED;CARDINALITY;CASCADED;CASE;CAST;CATALOGS;CEIL;CEILING;CHAR;CHARACTER;CHARACTER_LENGTH;CHAR_LENGTH;CHECK;CLASSIFIER;CLOB;CLOSE;COALESCE;COLLATE;COLLECT;COLUMN;COMMENT;COMMIT;CONDITION;CONNECT;CONSTRAINT;CONTAINS;CONVERT;CORR;CORRESPONDING;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;DATABASES;DATE;DAY;DEALLOCATE;DEC;DECIMAL;DECLARE;DEFAULT;DEFINE;DELETE;DENSE_RANK;DEREF;DESCRIBE;DETERMINISTIC;DISALLOW;DISCONNECT;DISTINCT;DOT;DOUBLE;DROP;DYNAMIC;EACH;ELEMENT;ELSE;EMPTY;END;END-EXEC;END_FRAME;END_PARTITION;EQUALS;ESCA PE;EVERY;EXCEPT;EXEC;EXECUTE;EXISTS;EXP;EXPLAIN;EXTEND;EXTENDED;EXTERNAL;EXTRACT;FALSE;FETCH;FILTER;FIRST_VALUE;FLOAT;FLOOR;FOR;FOREIGN;FRAME_ROW;FREE;FROM;FULL;FUNCTION;FUNCTIONS;FUSION;GET;GLOBAL;GRANT;GROUP;GROUPING;GROUPS;GROUP_CONCAT;HAVING;HOLD;HOUR;IDENTITY;ILIKE;IMPORT;IN;INCLUDE;INDICATOR;INITIAL;INNER;INOUT;INSENSITIVE;INSERT;INT;INTEGER;INTERSECT;INTERSECTION;INTERVAL;INTO;IS;JOIN;JSON_ARRAY;JSON_ARRAYAGG;JSON_EXISTS;JSON_OBJECT;JSON_OBJECTAGG;JSON_QUERY;JSON_VALUE;LAG;LANGUAGE;LARGE;LAST_VALUE;LATERAL;LEAD;LEADING;LEFT;LIKE;LIKE_REGEX;LIMIT;LN;LOCAL;LOCALTIME;LOCALTIMESTAMP;LOWER;MATCH;MATCHES;MATCH_NUMBER;MATCH_RECOGNIZE;MAX;MEASURES;MEMBER;MERGE;METHOD;MIN;MINUS;MINUTE;MOD;MODIFIES;MODIFY;MODULE;MODULES;MONTH;MULTISET;NATIONAL;NATURAL;NCHAR;NCLOB;NEW;NEXT;NO;NONE;NORMALIZE;NOT;NTH_VALUE;NTILE;NULL;NULLIF;NUMERIC;OCCURRENCES_REGEX;OCTET_LENGTH;OF;OFFSET;OLD;OMIT;ON;ONE;ONLY;OPEN;OR;ORDER;OUT;OUTER;OVER;OVERLAPS;OVERLAY;PARAMETER;PARTITION;PATTERN;PER;PERCENT;PERCENTILE_ CONT;PERCENTILE_DISC;PERCENT_RANK;PERIOD;PERMUTE;PIVOT;PORTION;POSITION;POSITION_REGEX;POWER;PRECEDES;PRECISION;PREPARE;PREV;PRIMARY;PROCEDURE;RANGE;RANK;RAW;READS;REAL;RECURSIVE;REF;REFERENCES;REFERENCING;REGR_AVGX;REGR_AVGY;REGR_COUNT;REGR_INTERCEPT;REGR_R2;REGR_SLOPE;REGR_SXX;REGR_SXY;REGR_SYY;RELEASE;RENAME;RESET;RESULT;RETURN;RETURNS;REVOKE;RIGHT;RLIKE;ROLLBACK;ROLLUP;ROW;ROWS;ROW_NUMBER;RUNNING;SAVEPOINT;SCALA;SCOPE;SCROLL;SEARCH;SECOND;SEEK;SELECT;SENSITIVE;SEPARATOR;SESSION_USER;SET;SHOW;SIMILAR;SKIP;SMALLINT;SOME;SPECIFIC;SPECIFICTYPE;SQL;SQLEXCEPTION;SQLSTATE;SQLWARNING;SQRT;START;STATEMENT;STATIC;STDDEV_POP;STDDEV_SAMP;STREAM;STRING;STRING_AGG;SUBMULTISET;SUBSET;SUBSTRING;SUBSTRING_REGEX;SUCCEEDS;SUM;SYMMETRIC;SYSTEM;SYSTEM_TIME;SYSTEM_USER;TABLE;TABLES;TABLESAMPLE;THEN;TIME;TIMESTAMP;TIMESTAMP_LTZ;TIMEZONE_HOUR;TIMEZONE_MINUTE;TINYINT;TO;TRAILING;TRANSLATE;TRANSLATE_REGEX;TRANSLATION;TREAT;TRIGGER;TRIM;TRIM_ARRAY;TRUE;TRUNCATE;UESCAPE;UNION;UNIQUE;UNKNOWN;UNNEST;UNPIVOT; UPDATE;UPPER;UPSERT;USE;USER;USING;VALUE;VALUES;VALUE_OF;VARBINARY;VARCHAR;VARYING;VAR_POP;VAR_SAMP;VERSIONING;VIEWS;WATERMARK;WATERMARKS;WHEN;WHENEVER;WHERE;WIDTH_BUCKET;WINDOW;WITH;WITHIN;WITHOUT;YEAR Review Comment: Oops, sorry, looks like I was wrong here... `getJdbcKeywords()` does not give all the keywords... In fact it's a bit trickier... To answer a question if a whatever word is a keyword there is `org.apache.calcite.sql.parser.SqlAbstractParserImpl.MetadataImpl#isReservedWord`, e.g. ```java String candidate = ...; FlinkSqlParserImpl.FACTORY .getParser(new StringReader("")) .getMetadata() .isReservedWord(candidate)); ``` The problem is that under the hood it works like ```java @Override public boolean isReservedWord(String token) { return reservedWords.contains(token); } ``` where `reservedWords` is a `private final Set<String> reservedWords` initialized in a constructor of `MetadataImpl` without any getter for that... So to retrieve the list of keywords it's possible to leverage the same code as above however in debugging mode and pick `reservedWords`'s value. Another way with usage of `org.apache.calcite.sql.parser.SqlAbstractParserImpl.MetadataImpl#isReservedWord` has an issue that it requires lots of dependencies being shaded (calcite-core, calcite-linq4j, the whole flink-sql-parser(right now only impl part), calcite avatica, guava... ) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
