byp4a55 professor6T9

Linux SamCT211 4.4.302+ #86009 SMP Wed Nov 26 18:19:20 CST 2025 x86_64
nginx/1.23.1
192.168.4.211

File Name : query_generator.js

/**
 * @fileoverview    function used in QBE for DB
 * @name            Database Operations
 *
 * @requires    jQuery
 * @requires    jQueryUI
 * @requires    js/functions.js
 *
 */

/* global sprintf */ // js/vendor/sprintf.js

$(document).on('change', '.criteria_op', function () {
  const op = $(this).val();
  const criteria = $(this).closest('.table').find('.rhs_text_val');
  isOpWithoutArg(op) ? criteria.hide().val('') : criteria.show();
});
function getFormatsText() {
  return {
    '=': ' = \'%s\'',
    '>': ' > \'%s\'',
    '>=': ' >= \'%s\'',
    '<': ' < \'%s\'',
    '<=': ' <= \'%s\'',
    '!=': ' != \'%s\'',
    'LIKE': ' LIKE \'%s\'',
    'LIKE %...%': ' LIKE \'%%%s%%\'',
    'NOT LIKE': ' NOT LIKE \'%s\'',
    'NOT LIKE %...%': ' NOT LIKE \'%%%s%%\'',
    'IN (...)': ' IN (%s)',
    'NOT IN (...)': ' NOT IN (%s)',
    'BETWEEN': ' BETWEEN \'%s\'',
    'NOT BETWEEN': ' NOT BETWEEN \'%s\'',
    'REGEXP': ' REGEXP \'%s\'',
    'REGEXP ^...$': ' REGEXP \'^%s$\'',
    'NOT REGEXP': ' NOT REGEXP \'%s\''
  };
}
function opsWithoutArg() {
  return ['IS NULL', 'IS NOT NULL'];
}
function isOpWithoutArg(op) {
  return opsWithoutArg().includes(op);
}
function generateCondition(criteriaDiv, table) {
  const tableName = table.val();
  const tableAlias = table.siblings('.table_alias').val();
  const criteriaOp = criteriaDiv.find('.criteria_op').first().val();
  let criteriaText = criteriaDiv.find('.rhs_text_val').first().val();
  let query = '`' + Functions.escapeBacktick(tableAlias === '' ? tableName : tableAlias) + '`.';
  query += '`' + Functions.escapeBacktick(table.parent().find('.opColumn').first().val()) + '`';
  if (criteriaDiv.find('.criteria_rhs').first().val() === 'text') {
    if (isOpWithoutArg(criteriaOp)) {
      query += ' ' + criteriaOp;
    } else {
      const formatsText = getFormatsText();
      if (!['IN (...)', 'NOT IN (...)'].includes(criteriaOp)) {
        criteriaText = Functions.escapeSingleQuote(criteriaText);
      }
      query += sprintf(formatsText[criteriaOp], criteriaText);
    }
  } else {
    query += ' ' + criteriaOp;
    query += ' `' + Functions.escapeBacktick(criteriaDiv.find('.tableNameSelect').first().val()) + '`.';
    query += '`' + Functions.escapeBacktick(criteriaDiv.find('.opColumn').first().val()) + '`';
  }
  return query;
}

// eslint-disable-next-line no-unused-vars
function generateWhereBlock() {
  var count = 0;
  var query = '';
  $('.tableNameSelect').each(function () {
    var criteriaDiv = $(this).siblings('.jsCriteriaOptions').first();
    var useCriteria = $(this).siblings('.criteria_col').first();
    if ($(this).val() !== '' && useCriteria.prop('checked')) {
      if (count > 0) {
        criteriaDiv.find('input.logical_op').each(function () {
          if ($(this).prop('checked')) {
            query += ' ' + $(this).val() + ' ';
          }
        });
      }
      query += generateCondition(criteriaDiv, $(this));
      count++;
    }
  });
  return query;
}
function generateJoin(newTable, tableAliases, fk) {
  var query = '';
  query += ' \n\tLEFT JOIN ' + '`' + Functions.escapeBacktick(newTable) + '`';
  if (tableAliases[fk.TABLE_NAME][0] !== '') {
    query += ' AS `' + Functions.escapeBacktick(tableAliases[newTable][0]) + '`';
    query += ' ON `' + Functions.escapeBacktick(tableAliases[fk.TABLE_NAME][0]) + '`';
  } else {
    query += ' ON `' + Functions.escapeBacktick(fk.TABLE_NAME) + '`';
  }
  query += '.`' + fk.COLUMN_NAME + '`';
  if (tableAliases[fk.REFERENCED_TABLE_NAME][0] !== '') {
    query += ' = `' + Functions.escapeBacktick(tableAliases[fk.REFERENCED_TABLE_NAME][0]) + '`';
  } else {
    query += ' = `' + Functions.escapeBacktick(fk.REFERENCED_TABLE_NAME) + '`';
  }
  query += '.`' + fk.REFERENCED_COLUMN_NAME + '`';
  return query;
}
function existReference(table, fk, usedTables) {
  var isReferredBy = fk.TABLE_NAME === table && usedTables.includes(fk.REFERENCED_TABLE_NAME);
  var isReferencedBy = fk.REFERENCED_TABLE_NAME === table && usedTables.includes(fk.TABLE_NAME);
  return isReferredBy || isReferencedBy;
}
function tryJoinTable(table, tableAliases, usedTables, foreignKeys) {
  for (var i = 0; i < foreignKeys.length; i++) {
    var fk = foreignKeys[i];
    if (existReference(table, fk, usedTables)) {
      return generateJoin(table, tableAliases, fk);
    }
  }
  return '';
}
function appendTable(table, tableAliases, usedTables, foreignKeys) {
  var query = tryJoinTable(table, tableAliases, usedTables, foreignKeys);
  if (query === '') {
    if (usedTables.length > 0) {
      query += '\n\t, ';
    }
    query += '`' + Functions.escapeBacktick(table) + '`';
    if (tableAliases[table][0] !== '') {
      query += ' AS `' + Functions.escapeBacktick(tableAliases[table][0]) + '`';
    }
  }
  usedTables.push(table);
  return query;
}

// eslint-disable-next-line no-unused-vars
function generateFromBlock(tableAliases, foreignKeys) {
  var usedTables = [];
  var query = '';
  for (var table in tableAliases) {
    if (tableAliases.hasOwnProperty(table)) {
      query += appendTable(table, tableAliases, usedTables, foreignKeys);
    }
  }
  return query;
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	119971/119971	0755	2025-08-01 02:33:36
..	dir	-	119971/119971	0755	2025-08-01 02:33:36
central_columns.js	text/plain	10.02 KB	119971/119971	0644	2025-08-01 02:33:36
events.js	text/plain	21.33 KB	119971/119971	0644	2025-08-01 02:33:36
multi_table_query.js	text/plain	8.66 KB	119971/119971	0644	2025-08-01 02:33:36
operations.js	text/plain	5.61 KB	119971/119971	0644	2025-08-01 02:33:36
qbe.js	text/plain	2.3 KB	119971/119971	0644	2025-08-01 02:33:36
query_generator.js	text/plain	5.01 KB	119971/119971	0644	2025-08-01 02:33:36
routines.js	text/csv	35.69 KB	119971/119971	0644	2025-08-01 02:33:36
search.js	text/x-asm	7.83 KB	119971/119971	0644	2025-08-01 02:33:36
structure.js	text/plain	14.35 KB	119971/119971	0644	2025-08-01 02:33:36
tracking.js	text/plain	3.4 KB	119971/119971	0644	2025-08-01 02:33:36
triggers.js	text/plain	20.09 KB	119971/119971	0644	2025-08-01 02:33:36

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