MLEB/Babel/sql/babel-babel_lang-length.sqlite.sql


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CREATE TABLE /*_*/babel (
	-- user id
	babel_user int UNSIGNED NOT NULL,
	-- language code
	babel_lang varbinary(35) NOT NULL,
	-- level (1-5, N)
	babel_level varbinary(2) NOT NULL,

	PRIMARY KEY ( babel_user, babel_lang )
) /*$wgDBTableOptions*/;

INSERT INTO  /*_*/babel_tmp(babel_user, babel_lang, babel_level)
    SELECT babel_user, babel_lang, babel_level FROM  /*_*/babel;

DROP TABLE /*_*/babel;

ALTER TABLE /*_*/babel_tmp RENAME TO /*_*/babel;

-- Query all users who know a language at a specific level
CREATE INDEX /*i*/babel_lang_level ON /*_*/babel (babel_lang, babel_level);