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vim/runtime/syntax/mysql.vim
Yinzuo Jiang 6e37575760 runtime(mysql): update syntax script 
Problem:

- `syn region ...`s in syntax/mysql.vim match function names inaccurately.
- no syntax rules for mysql window function.
- coarse highlight definition in syntax/mysql.vim.

Solution:

- add `\<` before the function name for accuracy.
- add syntax rules for mysql window function.
- enhance the highlight definition.

closes: #15311

Signed-off-by: Yinzuo Jiang <jiangyinzuo@foxmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2024-07-21 09:27:27 +02:00

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" Vim syntax file
" Language: mysql
" Maintainer: Kenneth J. Pronovici <pronovic@ieee.org>
" Filenames: *.mysql
" URL: ftp://cedar-solutions.com/software/mysql.vim (https://github.com/pronovic/vim-syntax/blob/master/mysql.vim)
" Note: The definitions below are taken from the mysql user manual as of April 2002, for version 3.23 and have been updated
" in July 2024 with the docs for version 8.4
" Last Change: 2016 Apr 11
" 2024-07-21: update MySQL functions as of MySQL 8.4 (by Vim Project)
"
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
" Always ignore case
syn case ignore
" General keywords which don't fall into other categories
syn keyword mysqlKeyword action add after aggregate all alter as asc auto_increment avg_row_length
syn keyword mysqlKeyword both by
syn keyword mysqlKeyword cascade change character check checksum column columns comment constraint create cross
syn keyword mysqlKeyword current_date current_time current_timestamp
syn keyword mysqlKeyword data database databases day day_hour day_minute day_second
syn keyword mysqlKeyword default delayed delay_key_write delete desc describe distinct distinctrow drop
syn keyword mysqlKeyword enclosed escape escaped explain
syn keyword mysqlKeyword fields file first flush for foreign from full function
syn keyword mysqlKeyword global grant grants group
syn keyword mysqlKeyword having heap high_priority hosts hour hour_minute hour_second
syn keyword mysqlKeyword identified ignore index infile inner insert insert_id into isam
syn keyword mysqlKeyword join
syn keyword mysqlKeyword key keys kill last_insert_id leading left limit lines load local lock logs long
syn keyword mysqlKeyword low_priority
syn keyword mysqlKeyword match max_rows middleint min_rows minute minute_second modify month myisam
syn keyword mysqlKeyword natural no
syn keyword mysqlKeyword on optimize option optionally order outer outfile
syn keyword mysqlKeyword pack_keys partial password primary privileges procedure process processlist
syn keyword mysqlKeyword read references reload rename replace restrict returns revoke right row rows
syn keyword mysqlKeyword second select show shutdown soname sql_big_result sql_big_selects sql_big_tables sql_log_off
syn keyword mysqlKeyword sql_log_update sql_low_priority_updates sql_select_limit sql_small_result sql_warnings starting
syn keyword mysqlKeyword status straight_join string
syn keyword mysqlKeyword table tables temporary terminated to trailing type
syn keyword mysqlKeyword unique unlock unsigned update usage use using
syn keyword mysqlKeyword values varbinary variables varying
syn keyword mysqlKeyword where with write
syn keyword mysqlKeyword year_month
syn keyword mysqlKeyword zerofill
" Special values
syn keyword mysqlSpecial false null true
" Strings (single- and double-quote)
syn region mysqlString start=+"+ skip=+\\\\\|\\"+ end=+"+
syn region mysqlString start=+'+ skip=+\\\\\|\\'+ end=+'+
" Numbers and hexidecimal values
syn match mysqlNumber "-\=\<[0-9]*\>"
syn match mysqlNumber "-\=\<[0-9]*\.[0-9]*\>"
syn match mysqlNumber "-\=\<[0-9][0-9]*e[+-]\=[0-9]*\>"
syn match mysqlNumber "-\=\<[0-9]*\.[0-9]*e[+-]\=[0-9]*\>"
syn match mysqlNumber "\<0x[abcdefABCDEF0-9]*\>"
" User variables
syn match mysqlVariable "@\a*[A-Za-z0-9]*\([._]*[A-Za-z0-9]\)*"
" Escaped column names
syn match mysqlEscaped "`[^`]*`"
" Comments (c-style, mysql-style and modified sql-style)
syn region mysqlComment start="/\*" end="\*/"
syn match mysqlComment "#.*"
syn match mysqlComment "--\_s.*"
syn sync ccomment mysqlComment
" Column types
"
" This gets a bit ugly. There are two different problems we have to
" deal with.
"
" The first problem is that some keywords like 'float' can be used
" both with and without specifiers, i.e. 'float', 'float(1)' and
" 'float(@var)' are all valid. We have to account for this and we
" also have to make sure that garbage like floatn or float_(1) is not
" highlighted.
"
" The second problem is that some of these keywords are included in
" function names. For instance, year() is part of the name of the
" dayofyear() function, and the dec keyword (no parenthesis) is part of
" the name of the decode() function.
syn keyword mysqlType tinyint smallint mediumint int integer bigint
syn keyword mysqlType date datetime time bit bool
syn keyword mysqlType tinytext mediumtext longtext text
syn keyword mysqlType tinyblob mediumblob longblob blob
syn region mysqlType start="float\W" end="."me=s-1
syn region mysqlType start="float$" end="."me=s-1
syn region mysqlType start="\<float(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="double\W" end="."me=s-1
syn region mysqlType start="double$" end="."me=s-1
syn region mysqlType start="\<double(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="double precision\W" end="."me=s-1
syn region mysqlType start="double precision$" end="."me=s-1
syn region mysqlType start="double precision(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="real\W" end="."me=s-1
syn region mysqlType start="real$" end="."me=s-1
syn region mysqlType start="\<real(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="\<numeric(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="dec\W" end="."me=s-1
syn region mysqlType start="dec$" end="."me=s-1
syn region mysqlType start="\<dec(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="decimal\W" end="."me=s-1
syn region mysqlType start="decimal$" end="."me=s-1
syn region mysqlType start="\<decimal(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="\Wtimestamp\W" end="."me=s-1
syn region mysqlType start="\Wtimestamp$" end="."me=s-1
syn region mysqlType start="\Wtimestamp(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="^timestamp\W" end="."me=s-1
syn region mysqlType start="^timestamp$" end="."me=s-1
syn region mysqlType start="^timestamp(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="\Wyear(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="^year(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="\<char(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="\<varchar(" end=")" contains=mysqlNumber,mysqlVariable
syn region mysqlType start="\<enum(" end=")" contains=mysqlString,mysqlVariable
syn region mysqlType start="\Wset(" end=")" contains=mysqlString,mysqlVariable
syn region mysqlType start="^set(" end=")" contains=mysqlString,mysqlVariable
" Logical, string and numeric operators
syn keyword mysqlOperator between not and or is in like regexp rlike binary exists
syn region mysqlOperatorFunction start="\<isnull(" end=")" contains=ALL
syn region mysqlOperatorFunction start="\<coalesce(" end=")" contains=ALL
syn region mysqlOperatorFunction start="\<interval(" end=")" contains=ALL
" Flow control functions
" https://docs.oracle.com/cd/E17952_01/mysql-8.4-en/flow-control-functions.html
syn keyword mysqlFlowLabel case when then else end
syn region mysqlFlowFunction start="\<ifnull(" end=")" contains=ALL
syn region mysqlFlowFunction start="\<nullif(" end=")" contains=ALL
syn region mysqlFlowFunction start="\<if(" end=")" contains=ALL
" Window functions
" https://docs.oracle.com/cd/E17952_01/mysql-8.4-en/window-functions-usage.html
syn keyword mysqlWindowKeyword over partition window
" https://docs.oracle.com/cd/E17952_01/mysql-8.4-en/window-function-descriptions.html
syn region mysqlWindowFunction start="\<cume_dist(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<dense_rank(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<first_value(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<lag(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<last_value(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<lead(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<nth_value(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<ntile(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<percent_rank(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<rank(" end=")" contains=ALL
syn region mysqlWindowFunction start="\<row_number(" end=")" contains=ALL
" General functions
"
" I'm leery of just defining keywords for functions, since according to the MySQL manual:
"
" Function names do not clash with table or column names. For example, ABS is a
" valid column name. The only restriction is that for a function call, no spaces
" are allowed between the function name and the `(' that follows it.
"
" This means that if I want to highlight function names properly, I have to use a
" region to define them, not just a keyword. This will probably cause the syntax file
" to load more slowly, but at least it will be 'correct'.
syn region mysqlFunction start="\<abs(" end=")" contains=ALL
syn region mysqlFunction start="\<acos(" end=")" contains=ALL
syn region mysqlFunction start="\<adddate(" end=")" contains=ALL
syn region mysqlFunction start="\<ascii(" end=")" contains=ALL
syn region mysqlFunction start="\<asin(" end=")" contains=ALL
syn region mysqlFunction start="\<atan(" end=")" contains=ALL
syn region mysqlFunction start="\<atan2(" end=")" contains=ALL
syn region mysqlFunction start="\<avg(" end=")" contains=ALL
syn region mysqlFunction start="\<benchmark(" end=")" contains=ALL
syn region mysqlFunction start="\<bin(" end=")" contains=ALL
syn region mysqlFunction start="\<bit_and(" end=")" contains=ALL
syn region mysqlFunction start="\<bit_count(" end=")" contains=ALL
syn region mysqlFunction start="\<bit_or(" end=")" contains=ALL
syn region mysqlFunction start="\<ceiling(" end=")" contains=ALL
syn region mysqlFunction start="\<character_length(" end=")" contains=ALL
syn region mysqlFunction start="\<char_length(" end=")" contains=ALL
syn region mysqlFunction start="\<concat(" end=")" contains=ALL
syn region mysqlFunction start="\<concat_ws(" end=")" contains=ALL
syn region mysqlFunction start="\<connection_id(" end=")" contains=ALL
syn region mysqlFunction start="\<conv(" end=")" contains=ALL
syn region mysqlFunction start="\<cos(" end=")" contains=ALL
syn region mysqlFunction start="\<cot(" end=")" contains=ALL
syn region mysqlFunction start="\<count(" end=")" contains=ALL
syn region mysqlFunction start="\<curdate(" end=")" contains=ALL
syn region mysqlFunction start="\<curtime(" end=")" contains=ALL
syn region mysqlFunction start="\<date_add(" end=")" contains=ALL
syn region mysqlFunction start="\<date_format(" end=")" contains=ALL
syn region mysqlFunction start="\<date_sub(" end=")" contains=ALL
syn region mysqlFunction start="\<dayname(" end=")" contains=ALL
syn region mysqlFunction start="\<dayofmonth(" end=")" contains=ALL
syn region mysqlFunction start="\<dayofweek(" end=")" contains=ALL
syn region mysqlFunction start="\<dayofyear(" end=")" contains=ALL
syn region mysqlFunction start="\<decode(" end=")" contains=ALL
syn region mysqlFunction start="\<degrees(" end=")" contains=ALL
syn region mysqlFunction start="\<elt(" end=")" contains=ALL
syn region mysqlFunction start="\<encode(" end=")" contains=ALL
syn region mysqlFunction start="\<encrypt(" end=")" contains=ALL
syn region mysqlFunction start="\<exp(" end=")" contains=ALL
syn region mysqlFunction start="\<export_set(" end=")" contains=ALL
syn region mysqlFunction start="\<extract(" end=")" contains=ALL
syn region mysqlFunction start="\<field(" end=")" contains=ALL
syn region mysqlFunction start="\<find_in_set(" end=")" contains=ALL
syn region mysqlFunction start="\<floor(" end=")" contains=ALL
syn region mysqlFunction start="\<format(" end=")" contains=ALL
syn region mysqlFunction start="\<from_days(" end=")" contains=ALL
syn region mysqlFunction start="\<from_unixtime(" end=")" contains=ALL
syn region mysqlFunction start="\<get_lock(" end=")" contains=ALL
syn region mysqlFunction start="\<greatest(" end=")" contains=ALL
syn region mysqlFunction start="\<group_unique_users(" end=")" contains=ALL
syn region mysqlFunction start="\<hex(" end=")" contains=ALL
syn region mysqlFunction start="\<inet_aton(" end=")" contains=ALL
syn region mysqlFunction start="\<inet_ntoa(" end=")" contains=ALL
syn region mysqlFunction start="\<instr(" end=")" contains=ALL
syn region mysqlFunction start="\<lcase(" end=")" contains=ALL
syn region mysqlFunction start="\<least(" end=")" contains=ALL
syn region mysqlFunction start="\<length(" end=")" contains=ALL
syn region mysqlFunction start="\<load_file(" end=")" contains=ALL
syn region mysqlFunction start="\<locate(" end=")" contains=ALL
syn region mysqlFunction start="\<log(" end=")" contains=ALL
syn region mysqlFunction start="\<log10(" end=")" contains=ALL
syn region mysqlFunction start="\<lower(" end=")" contains=ALL
syn region mysqlFunction start="\<lpad(" end=")" contains=ALL
syn region mysqlFunction start="\<ltrim(" end=")" contains=ALL
syn region mysqlFunction start="\<make_set(" end=")" contains=ALL
syn region mysqlFunction start="\<master_pos_wait(" end=")" contains=ALL
syn region mysqlFunction start="\<max(" end=")" contains=ALL
syn region mysqlFunction start="\<md5(" end=")" contains=ALL
syn region mysqlFunction start="\<mid(" end=")" contains=ALL
syn region mysqlFunction start="\<min(" end=")" contains=ALL
syn region mysqlFunction start="\<mod(" end=")" contains=ALL
syn region mysqlFunction start="\<monthname(" end=")" contains=ALL
syn region mysqlFunction start="\<now(" end=")" contains=ALL
syn region mysqlFunction start="\<oct(" end=")" contains=ALL
syn region mysqlFunction start="\<octet_length(" end=")" contains=ALL
syn region mysqlFunction start="\<ord(" end=")" contains=ALL
syn region mysqlFunction start="\<period_add(" end=")" contains=ALL
syn region mysqlFunction start="\<period_diff(" end=")" contains=ALL
syn region mysqlFunction start="\<pi(" end=")" contains=ALL
syn region mysqlFunction start="\<position(" end=")" contains=ALL
syn region mysqlFunction start="\<pow(" end=")" contains=ALL
syn region mysqlFunction start="\<power(" end=")" contains=ALL
syn region mysqlFunction start="\<quarter(" end=")" contains=ALL
syn region mysqlFunction start="\<radians(" end=")" contains=ALL
syn region mysqlFunction start="\<rand(" end=")" contains=ALL
syn region mysqlFunction start="\<release_lock(" end=")" contains=ALL
syn region mysqlFunction start="\<repeat(" end=")" contains=ALL
syn region mysqlFunction start="\<reverse(" end=")" contains=ALL
syn region mysqlFunction start="\<round(" end=")" contains=ALL
syn region mysqlFunction start="\<rpad(" end=")" contains=ALL
syn region mysqlFunction start="\<rtrim(" end=")" contains=ALL
syn region mysqlFunction start="\<sec_to_time(" end=")" contains=ALL
syn region mysqlFunction start="\<session_user(" end=")" contains=ALL
syn region mysqlFunction start="\<sign(" end=")" contains=ALL
syn region mysqlFunction start="\<sin(" end=")" contains=ALL
syn region mysqlFunction start="\<soundex(" end=")" contains=ALL
syn region mysqlFunction start="\<space(" end=")" contains=ALL
syn region mysqlFunction start="\<sqrt(" end=")" contains=ALL
syn region mysqlFunction start="\<std(" end=")" contains=ALL
syn region mysqlFunction start="\<stddev(" end=")" contains=ALL
syn region mysqlFunction start="\<strcmp(" end=")" contains=ALL
syn region mysqlFunction start="\<subdate(" end=")" contains=ALL
syn region mysqlFunction start="\<substring(" end=")" contains=ALL
syn region mysqlFunction start="\<substring_index(" end=")" contains=ALL
syn region mysqlFunction start="\<subtime(" end=")" contains=ALL
syn region mysqlFunction start="\<sum(" end=")" contains=ALL
syn region mysqlFunction start="\<sysdate(" end=")" contains=ALL
syn region mysqlFunction start="\<system_user(" end=")" contains=ALL
syn region mysqlFunction start="\<tan(" end=")" contains=ALL
syn region mysqlFunction start="\<time_format(" end=")" contains=ALL
syn region mysqlFunction start="\<time_to_sec(" end=")" contains=ALL
syn region mysqlFunction start="\<to_days(" end=")" contains=ALL
syn region mysqlFunction start="\<trim(" end=")" contains=ALL
syn region mysqlFunction start="\<ucase(" end=")" contains=ALL
syn region mysqlFunction start="\<unique_users(" end=")" contains=ALL
syn region mysqlFunction start="\<unix_timestamp(" end=")" contains=ALL
syn region mysqlFunction start="\<upper(" end=")" contains=ALL
syn region mysqlFunction start="\<user(" end=")" contains=ALL
syn region mysqlFunction start="\<version(" end=")" contains=ALL
syn region mysqlFunction start="\<week(" end=")" contains=ALL
syn region mysqlFunction start="\<weekday(" end=")" contains=ALL
syn region mysqlFunction start="\<yearweek(" end=")" contains=ALL
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link mysqlKeyword Keyword
hi def link mysqlSpecial Special
hi def link mysqlString String
hi def link mysqlNumber Number
hi def link mysqlVariable Identifier
hi def link mysqlComment Comment
hi def link mysqlType Type
hi def link mysqlOperator Operator
hi def link mysqlOperatorFunction Function
hi def link mysqlFlowFunction Function
hi def link mysqlFlowLabel Label
hi def link mysqlWindowFunction Function
hi def link mysqlWindowKeyword Keyword
hi def link mysqlFunction Function
let b:current_syntax = "mysql"
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