sql-formatter/dist/esm/languages/hive/hive.formatter.js

Format whitespace in a SQL query to make it more readable

import { expandPhrases } from '../../expandPhrases.js';
import { functions } from './hive.functions.js';
import { dataTypes, keywords } from './hive.keywords.js';
const reservedSelect = expandPhrases(['SELECT [ALL | DISTINCT]']);
const reservedClauses = expandPhrases([
    // queries
    'WITH',
    'FROM',
    'WHERE',
    'GROUP BY',
    'HAVING',
    'WINDOW',
    'PARTITION BY',
    'ORDER BY',
    'SORT BY',
    'CLUSTER BY',
    'DISTRIBUTE BY',
    'LIMIT',
    // Data manipulation
    // - insert:
    //   Hive does not actually support plain INSERT INTO, only INSERT INTO TABLE
    //   but it's a nuisance to not support it, as all other dialects do.
    'INSERT INTO [TABLE]',
    'VALUES',
    // - update:
    'SET',
    // - merge:
    'MERGE INTO',
    'WHEN [NOT] MATCHED [THEN]',
    'UPDATE SET',
    'INSERT [VALUES]',
    // - insert overwrite directory:
    //   https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DML#LanguageManualDML-Writingdataintothefilesystemfromqueries
    'INSERT OVERWRITE [LOCAL] DIRECTORY',
    // - load:
    //   https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DML#LanguageManualDML-Loadingfilesintotables
    'LOAD DATA [LOCAL] INPATH',
    '[OVERWRITE] INTO TABLE',
]);
const standardOnelineClauses = expandPhrases([
    'CREATE [TEMPORARY] [EXTERNAL] TABLE [IF NOT EXISTS]',
]);
const tabularOnelineClauses = expandPhrases([
    // - create:
    'CREATE [MATERIALIZED] VIEW [IF NOT EXISTS]',
    // - update:
    'UPDATE',
    // - delete:
    'DELETE FROM',
    // - drop table:
    'DROP TABLE [IF EXISTS]',
    // - alter table:
    'ALTER TABLE',
    'RENAME TO',
    // - truncate:
    'TRUNCATE [TABLE]',
    // other
    'ALTER',
    'CREATE',
    'USE',
    'DESCRIBE',
    'DROP',
    'FETCH',
    'SHOW',
    'STORED AS',
    'STORED BY',
    'ROW FORMAT',
]);
const reservedSetOperations = expandPhrases(['UNION [ALL | DISTINCT]']);
const reservedJoins = expandPhrases([
    'JOIN',
    '{LEFT | RIGHT | FULL} [OUTER] JOIN',
    '{INNER | CROSS} JOIN',
    // non-standard joins
    'LEFT SEMI JOIN',
]);
const reservedPhrases = expandPhrases(['{ROWS | RANGE} BETWEEN']);
// https://cwiki.apache.org/confluence/display/Hive/LanguageManual
export const hive = {
    name: 'hive',
    tokenizerOptions: {
        reservedSelect,
        reservedClauses: [...reservedClauses, ...standardOnelineClauses, ...tabularOnelineClauses],
        reservedSetOperations,
        reservedJoins,
        reservedPhrases,
        reservedKeywords: keywords,
        reservedDataTypes: dataTypes,
        reservedFunctionNames: functions,
        extraParens: ['[]'],
        stringTypes: ['""-bs', "''-bs"],
        identTypes: ['``'],
        variableTypes: [{ quote: '{}', prefixes: ['$'], requirePrefix: true }],
        operators: ['%', '~', '^', '|', '&', '<=>', '==', '!', '||'],
    },
    formatOptions: {
        onelineClauses: [...standardOnelineClauses, ...tabularOnelineClauses],
        tabularOnelineClauses,
    },
};
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