本文整理汇总了PHP中upgrade_course_completion_remove_duplicates函数的典型用法代码示例。如果您正苦于以下问题：PHP upgrade_course_completion_remove_duplicates函数的具体用法？PHP upgrade_course_completion_remove_duplicates怎么用？PHP upgrade_course_completion_remove_duplicates使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了upgrade_course_completion_remove_duplicates函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: xmldb_main_upgrade
//.........这里部分代码省略.........
$pointer = 0;
//now get all the records for this user/course
$sql = 'userid = ? AND course = ? AND (deleted IS NULL OR deleted <> 1)';
$completions = $DB->get_records_select('course_completions', $sql, array($duplicate->userid, $duplicate->course), 'timecompleted DESC, timestarted DESC');
$needsupdate = false;
$origcompletion = null;
foreach ($completions as $completion) {
$pointer++;
if ($pointer === 1) {
//keep 1st record but delete all others.
$origcompletion = $completion;
} else {
//we need to keep the "oldest" of all these fields as the valid completion record.
$fieldstocheck = array('timecompleted', 'timestarted', 'timeenrolled');
foreach ($fieldstocheck as $f) {
if ($origcompletion->{$f} > $completion->{$f}) {
$origcompletion->{$f} = $completion->{$f};
$needsupdate = true;
}
}
$DB->delete_records('course_completions', array('id' => $completion->id));
}
}
if ($needsupdate) {
$DB->update_record('course_completions', $origcompletion);
}
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052500.03);
}
if ($oldversion < 2012052900.0) {
// Clean up all duplicate records in the course_completions table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates('course_completions', array('userid', 'course'), array('timecompleted', 'timestarted', 'timeenrolled'));
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.0);
}
if ($oldversion < 2012052900.01) {
// Add indexes to prevent new duplicates in the course_completions table.
// Define index useridcourse (unique) to be added to course_completions
$table = new xmldb_table('course_completions');
$index = new xmldb_index('useridcourse', XMLDB_INDEX_UNIQUE, array('userid', 'course'));
// Conditionally launch add index useridcourse
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.01);
}
if ($oldversion < 2012052900.02) {
// Clean up all duplicate records in the course_completion_crit_compl table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates('course_completion_crit_compl', array('userid', 'course', 'criteriaid'), array('timecompleted'));
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.02);
}
if ($oldversion < 2012052900.03) {
// Add indexes to prevent new duplicates in the course_completion_crit_compl table.
// Define index useridcoursecriteraid (unique) to be added to course_completion_crit_compl
$table = new xmldb_table('course_completion_crit_compl');
$index = new xmldb_index('useridcoursecriteraid', XMLDB_INDEX_UNIQUE, array('userid', 'course', 'criteriaid'));
// Conditionally launch add index useridcoursecriteraid
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached示例2: xmldb_main_upgrade
//.........这里部分代码省略.........
$pointer = 0;
//now get all the records for this user/course
$sql = 'userid = ? AND course = ? AND (deleted IS NULL OR deleted <> 1)';
$completions = $DB->get_records_select('course_completions', $sql, array($duplicate->userid, $duplicate->course), 'timecompleted DESC, timestarted DESC');
$needsupdate = false;
$origcompletion = null;
foreach ($completions as $completion) {
$pointer++;
if ($pointer === 1) {
//keep 1st record but delete all others.
$origcompletion = $completion;
} else {
//we need to keep the "oldest" of all these fields as the valid completion record.
$fieldstocheck = array('timecompleted', 'timestarted', 'timeenrolled');
foreach ($fieldstocheck as $f) {
if ($origcompletion->{$f} > $completion->{$f}) {
$origcompletion->{$f} = $completion->{$f};
$needsupdate = true;
}
}
$DB->delete_records('course_completions', array('id' => $completion->id));
}
}
if ($needsupdate) {
$DB->update_record('course_completions', $origcompletion);
}
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052500.03);
}
if ($oldversion < 2012052900.0) {
// Clean up all duplicate records in the course_completions table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates('course_completions', array('userid', 'course'), array('timecompleted', 'timestarted', 'timeenrolled'));
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.0);
}
if ($oldversion < 2012052900.01) {
// Add indexes to prevent new duplicates in the course_completions table.
// Define index useridcourse (unique) to be added to course_completions
$table = new xmldb_table('course_completions');
$index = new xmldb_index('useridcourse', XMLDB_INDEX_UNIQUE, array('userid', 'course'));
// Conditionally launch add index useridcourse
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.01);
}
if ($oldversion < 2012052900.02) {
// Clean up all duplicate records in the course_completion_crit_compl table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates('course_completion_crit_compl', array('userid', 'course', 'criteriaid'), array('timecompleted'));
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.02);
}
if ($oldversion < 2012052900.03) {
// Add indexes to prevent new duplicates in the course_completion_crit_compl table.
// Define index useridcoursecriteraid (unique) to be added to course_completion_crit_compl
$table = new xmldb_table('course_completion_crit_compl');
$index = new xmldb_index('useridcoursecriteraid', XMLDB_INDEX_UNIQUE, array('userid', 'course', 'criteriaid'));
// Conditionally launch add index useridcoursecriteraid
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached示例3: xmldb_main_upgrade
//.........这里部分代码省略.........
$pointer = 0;
//now get all the records for this user/course
$sql = 'userid = ? AND course = ? AND (deleted IS NULL OR deleted <> 1)';
$completions = $DB->get_records_select('course_completions', $sql, array($duplicate->userid, $duplicate->course), 'timecompleted DESC, timestarted DESC');
$needsupdate = false;
$origcompletion = null;
foreach ($completions as $completion) {
$pointer++;
if ($pointer === 1) {
//keep 1st record but delete all others.
$origcompletion = $completion;
} else {
//we need to keep the "oldest" of all these fields as the valid completion record.
$fieldstocheck = array('timecompleted', 'timestarted', 'timeenrolled');
foreach ($fieldstocheck as $f) {
if ($origcompletion->{$f} > $completion->{$f}) {
$origcompletion->{$f} = $completion->{$f};
$needsupdate = true;
}
}
$DB->delete_records('course_completions', array('id' => $completion->id));
}
}
if ($needsupdate) {
$DB->update_record('course_completions', $origcompletion);
}
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052500.03);
}
if ($oldversion < 2012052900.0) {
// Clean up all duplicate records in the course_completions table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates('course_completions', array('userid', 'course'), array('timecompleted', 'timestarted', 'timeenrolled'));
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.0);
}
if ($oldversion < 2012052900.01) {
// Add indexes to prevent new duplicates in the course_completions table.
// Define index useridcourse (unique) to be added to course_completions
$table = new xmldb_table('course_completions');
$index = new xmldb_index('useridcourse', XMLDB_INDEX_UNIQUE, array('userid', 'course'));
// Conditionally launch add index useridcourse
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.01);
}
if ($oldversion < 2012052900.02) {
// Clean up all duplicate records in the course_completion_crit_compl table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates('course_completion_crit_compl', array('userid', 'course', 'criteriaid'), array('timecompleted'));
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.02);
}
if ($oldversion < 2012052900.03) {
// Add indexes to prevent new duplicates in the course_completion_crit_compl table.
// Define index useridcoursecriteraid (unique) to be added to course_completion_crit_compl
$table = new xmldb_table('course_completion_crit_compl');
$index = new xmldb_index('useridcoursecriteraid', XMLDB_INDEX_UNIQUE, array('userid', 'course', 'criteriaid'));
// Conditionally launch add index useridcoursecriteraid
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached示例4: xmldb_main_upgrade
//.........这里部分代码省略.........
$sql = 'userid = ? AND course = ? AND (deleted IS NULL OR deleted <> 1)';
$completions = $DB->get_records_select('course_completions', $sql,
array($duplicate->userid, $duplicate->course), 'timecompleted DESC, timestarted DESC');
$needsupdate = false;
$origcompletion = null;
foreach ($completions as $completion) {
$pointer++;
if ($pointer === 1) { //keep 1st record but delete all others.
$origcompletion = $completion;
} else {
//we need to keep the "oldest" of all these fields as the valid completion record.
$fieldstocheck = array('timecompleted', 'timestarted', 'timeenrolled');
foreach ($fieldstocheck as $f) {
if ($origcompletion->$f > $completion->$f) {
$origcompletion->$f = $completion->$f;
$needsupdate = true;
}
}
$DB->delete_records('course_completions', array('id'=>$completion->id));
}
}
if ($needsupdate) {
$DB->update_record('course_completions', $origcompletion);
}
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052500.03);
}
if ($oldversion < 2012052900.00) {
// Clean up all duplicate records in the course_completions table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates(
'course_completions',
array('userid', 'course'),
array('timecompleted', 'timestarted', 'timeenrolled')
);
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.00);
}
if ($oldversion < 2012052900.01) {
// Add indexes to prevent new duplicates in the course_completions table.
// Define index useridcourse (unique) to be added to course_completions
$table = new xmldb_table('course_completions');
$index = new xmldb_index('useridcourse', XMLDB_INDEX_UNIQUE, array('userid', 'course'));
// Conditionally launch add index useridcourse
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.01);
}
if ($oldversion < 2012052900.02) {
// Clean up all duplicate records in the course_completion_crit_compl table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates(
'course_completion_crit_compl',
array('userid', 'course', 'criteriaid'),
array('timecompleted')
);