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sql-clickhouse.el
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;;; sql-clickhouse.el --- support ClickHouse as SQL interpreter
;; Copyright (c) 2018 Robert Schwarz
;; Package-Requires: ((emacs "24"))
;; Package-Version: 0.1
;; Author: Robert Schwarz <[email protected]>
;; Homepage: https://github.com/leethargo/sql-clickhouse
;;
;; Licensed under MIT License.
;;
;; Permission is hereby granted, free of charge, to any person obtaining a copy
;; of this software and associated documentation files (the "Software"), to deal
;; in the Software without restriction, including without limitation the rights
;; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
;; copies of the Software, and to permit persons to whom the Software is
;; furnished to do so, subject to the following conditions:
;;
;; The above copyright notice and this permission notice shall be included in
;; all copies or substantial portions of the Software.
;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.
;;; Commentary:
;; Add new product type ClickHouse for SQL mode in Emacs. Defines extra
;; keywords, types and functions for font-lock as well as the client for
;; comint-mode.
;;; Code:
(require 'sql)
(defvar sql-clickhouse-font-lock-keywords
(list
;; keywords (non-ANSI)
(sql-font-lock-keywords-builder
'font-lock-keyword-face nil
"ARRAY JOIN" "ATTACH" "DETACH" "ENGINE" "EXISTS" "FREEZE" "KILL QUERY"
"MATERIALIZED" "ON CLUSTER" "OPTIMIZE" "PARTITION" "PREWHERE" "SAMPLE"
"USE" "WITH TOTALS")
;; types
(sql-font-lock-keywords-builder
'font-lock-type-face nil
;; column types
"Array" "Date" "DateTime" "Enum8" "Enum16" "FixedString" "Float32"
"Float64" "Int8" "Int16" "Int32" "Int64" "UInt8" "UInt16" "UInt32"
"UInt64" "String" "Tuple"
;; engine types
"AggregatingMergeTree" "Buffer" "CollapsingMergeTree" "Distributed"
"File" "GraphiteMergeTree" "Join" "Kafka" "Log" "MaterializedView"
"Memory" "Merge" "MergeTree" "Null" "ReplacingMergeTree"
"ReplicatedAggregatingMergeTree" "ReplicatedCollapsingMergeTree"
"ReplicatedMergeTree" "ReplicatedSummingMergeTree" "Set"
"SummingMergeTree" "TinyLog" "View")
;; functions
(sql-font-lock-keywords-builder
'font-lock-builtin-face nil
"plus" "minus" "multiply" "divide" "intDiv" "intDivOrZero" "modulo"
"negate" "abs" "gcd" "lcm" "empty" "notEmpty" "length" "emptyArrayUInt8"
"emptyArrayUInt16" "emptyArrayUInt32" "emptyArrayUInt64" "emptyArrayInt8"
"emptyArrayInt16" "emptyArrayInt32" "emptyArrayInt64" "emptyArrayFloat32"
"emptyArrayFloat64" "emptyArrayDate" "emptyArrayDateTime"
"emptyArrayString" "emptyArrayToSingle" "range" "array" "arrayConcat"
"arrayElement" "has" "indexOf" "countEqual" "arrayEnumerate"
"arrayEnumerateUniq" "arrayPopBack" "arrayPopFront" "arrayPushBack"
"arrayPushFront" "arraySlice" "arrayUniq" "arrayJoin" "bitAnd" "bitOr"
"bitXor" "bitNot" "bitShiftLeft" "bitShiftRight" "equals" "notEquals"
"less" "greater" "lessOrEquals" "greaterOrEquals" "if" "toYear" "toMonth"
"toDayOfMonth" "toDayOfWeek" "toHour" "toMinute" "toSecond" "toMonday"
"toStartOfMonth" "toStartOfQuarter" "toStartOfYear" "toStartOfMinute"
"toStartOfFiveMinute" "toStartOfHour" "toTime" "toRelativeYearNum"
"toRelativeMonthNum" "toRelativeWeekNum" "toRelativeDayNum"
"toRelativeHourNum" "toRelativeMinuteNum" "toRelativeSecondNum" "now"
"today" "yesterday" "timeSlot" "timeSlots" "hex" "unhex(str)"
"UUIDStringToNum(str)" "UUIDNumToString(str)" "bitmaskToList(num)"
"bitmaskToArray(num)" "dictGetUInt8" "dictGetUInt16" "dictGetUInt32"
"dictGetUInt64" "dictGetInt8" "dictGetInt16" "dictGetInt32" "dictGetInt64"
"dictGetFloat32" "dictGetFloat64" "dictGetDate" "dictGetDateTime"
"dictGetUUID" "dictGetString" "dictGetTOrDefault" "dictIsIn"
"dictGetHierarchy" "dictHas" "halfMD5" "MD5" "sipHash64" "sipHash128"
"cityHash64" "intHash32" "intHash64" "SHA1" "SHA224" "SHA256" "URLHash"
"lambda(params, expr)" "arrayMap" "arrayFilter" "arrayCount" "arrayExists"
"arrayAll" "arraySum" "arrayFirst" "arrayFirstIndex" "in" "notIn"
"globalIn" "globalNotIn" "tuple" "tupleElement" "IPv4NumToString"
"IPv4StringToNum" "IPv4NumToStringClassC" "IPv6NumToString"
"IPv6StringToNum" "visitParamHas" "visitParamExtractUInt"
"visitParamExtractInt" "visitParamExtractFloat" "visitParamExtractBool"
"visitParamExtractRaw" "visitParamExtractString" "and" "or" "not" "xor"
"e" "pi" "exp" "log" "exp2" "log2" "exp10" "log10" "sqrt" "cbrt" "erf"
"erfc" "lgamma" "tgamma" "sin" "cos" "tan" "asin" "acos" "atan" "pow"
"hostName" "visibleWidth" "toTypeName" "blockSize" "materialize" "ignore"
"sleep" "currentDatabase" "isFinite" "isInfinite" "isNaN"
"hasColumnInTable" "bar" "transform" "formatReadableSize" "least"
"greatest" "uptime" "version" "rowNumberInAllBlocks" "runningDifference"
"MACNumToString" "MACStringToNum" "MACStringToOUI" "rand" "rand64" "floor"
"ceil" "round" "roundToExp2" "roundDuration" "roundAge" "splitByChar"
"splitByString" "arrayStringConcat" "alphaTokens" "empty" "notEmpty"
"length" "lengthUTF8" "lower" "upper" "lowerUTF8" "upperUTF8" "reverse"
"reverseUTF8" "concat" "substring" "substringUTF8"
"appendTrailingCharIfAbsent" "convertCharset" "replaceOne" "replaceAll"
"replaceRegexpOne" "replaceRegexpAll" "position" "positionUTF8" "match"
"extract" "extractAll" "like" "notLike" "toUInt8" "toUInt16" "toUInt32"
"toUInt64" "toInt8" "toInt16" "toInt32" "toInt64" "toFloat32" "toFloat64"
"toUInt8OrZero" "toUInt16OrZero" "toUInt32OrZero" "toUInt64OrZero"
"toInt8OrZero" "toInt16OrZero" "toInt32OrZero" "toInt64OrZero"
"toFloat32OrZero" "toFloat64OrZero" "toDate" "toDateTime" "toString"
"toFixedString" "toStringCutToZero" "reinterpretAsUInt8"
"reinterpretAsUInt16" "reinterpretAsUInt32" "reinterpretAsUInt64"
"reinterpretAsInt8" "reinterpretAsInt16" "reinterpretAsInt32"
"reinterpretAsInt64" "reinterpretAsFloat32" "reinterpretAsFloat64"
"reinterpretAsDate" "reinterpretAsDateTime" "reinterpretAsString"
"protocol" "domain" "domainWithoutWWW" "topLevelDomain"
"firstSignificantSubdomain" "cutToFirstSignificantSubdomain" "path"
"pathFull" "queryString" "fragment" "queryStringAndFragment"
"extractURLParameter" "extractURLParameters" "extractURLParameterNames"
"URLHierarchy" "URLPathHierarchy" "decodeURLComponent" "cutWWW"
"cutQueryString" "cutFragment" "cutQueryStringAndFragment"
"cutURLParameter" "regionToCity" "regionToArea" "regionToDistrict"
"regionToCountry" "regionToContinent" "regionToPopulation" "regionIn"
"regionHierarchy" "regionToName"))
"ClickhouseDB SQL keywords used by font-lock.")
(defcustom sql-clickhouse-program "clickhouse-client"
"Command to start clickhouse-client by ClickHouse."
:type 'file
:group 'SQL)
(defcustom sql-clickhouse-login-params '()
"Login parameters needed to connect to ClickhouseDB."
:type 'sql-login-params
:group 'SQL)
(defcustom sql-clickhouse-options '()
"List of additional options for `sql-clickhouse-program'."
:type '(repeat string)
:group 'SQL)
(defun sql-clickhouse-comint (product options &optional buffname)
"Connect to ClickHouse in a comint buffer.
Argument PRODUCT name of the SQL product.
Argument OPTIONS additional options."
;; Do something with `sql-user', `sql-password',
;; `sql-database', and `sql-server'.
(let ((params
(append
(unless (string= "" sql-user)
(list "-u" sql-user))
(unless (string= "" sql-password)
(list "--password" sql-password))
(unless (string= "" sql-database)
(list "-d" sql-database))
(unless (string= "" sql-server)
(list "-h" sql-server))
options)))
(sql-comint product params buffname)))
;;;###autoload
(defun sql-clickhouse (&optional buffer)
"Run clickhouse-client by ClickHouse as an inferior process.
Optional argument BUFFER current buffer."
(interactive "P")
(sql-product-interactive 'clickhouse buffer))
(sql-add-product 'clickhouse "ClickHouse" '(:font-lock sql-clickhouse-font-lock-keywords
:sqli-program sql-clickhouse-program
:prompt-regexp "^:) "
:prompt-length 3
:prompt-cont-regexp "^:-] "
:sqli-login sql-clickhouse-login-params
:sqli-options sql-clickhouse-options
:sqli-comint-func sql-clickhouse-comint))
(provide 'sql-clickhouse)
;;; sql-clickhouse.el ends here