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Remove unused code

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This commit is contained in:
Daniel García Aubert 2019-08-23 17:43:20 +02:00
parent 16035131bc
commit d4d981909b
1 changed files with 0 additions and 52 deletions
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52
lib/cartodb/utils/query-utils.js
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@ -98,58 +98,6 @@ function columnSelector(columns) {
throw new TypeError(`Bad argument type for columns: ${typeof columns}`); throw new TypeError(`Bad argument type for columns: ${typeof columns}`);
} }
module.exports.getQuerySample = function (query, sampleProb, limit = null, randomSeed = 0.5, columns = null) {
const singleTable = simpleQueryTable(query);
if (singleTable) {
return getTableSample(singleTable.table, columns || singleTable.columns, sampleProb, limit, randomSeed);
}
const limitClause = limit ? `LIMIT ${limit}` : '';
return `
WITH __cdb_rndseed AS (
SELECT setseed(${randomSeed})
)
SELECT ${columnSelector(columns)}
FROM (${substituteDummyTokens(query)}) AS __cdb_query
WHERE random() < ${sampleProb}
${limitClause}
`;
};
function getTableSample(table, columns, sampleProb, limit = null, randomSeed = 0.5) {
const limitClause = limit ? `LIMIT ${limit}` : '';
sampleProb *= 100;
randomSeed *= Math.pow(2, 31) - 1;
return `
SELECT ${columnSelector(columns)}
FROM ${table}
TABLESAMPLE BERNOULLI (${sampleProb}) REPEATABLE (${randomSeed}) ${limitClause}
`;
}
function simpleQueryTable(sql) {
const basicQuery =
/\s*SELECT\s+([\*a-z0-9_,\s]+?)\s+FROM\s+((\"[^"]+\"|[a-z0-9_]+)\.)?(\"[^"]+\"|[a-z0-9_]+)\s*;?\s*/i;
const unwrappedQuery = new RegExp('^' + basicQuery.source + '$', 'i');
// queries for named maps are wrapped like this:
var wrappedQuery = new RegExp(
'^\\s*SELECT\\s+\\*\\s+FROM\\s+\\(' +
basicQuery.source +
'\\)\\s+AS\\s+wrapped_query\\s+WHERE\\s+\\d+=1\\s*$',
'i'
);
let match = sql.match(unwrappedQuery);
if (!match) {
match = sql.match(wrappedQuery);
}
if (match) {
const columns = match[1];
const schema = match[3];
const table = match[4];
return { table: schema ? `${schema}.${table}` : table, columns };
}
return false;
}
module.exports.getMaxMinSpanColumnQuery = function (query, column = 'cartodb_id') { module.exports.getMaxMinSpanColumnQuery = function (query, column = 'cartodb_id') {
return ` return `
SELECT SELECT