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Code Issues Releases Wiki Activity

Descending indexes

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This commit is contained in:
Jakub Vrana
2013-06-25 09:42:47 -07:00
parent c8248bb19c
commit 5f370927f1
10 changed files with 57 additions and 25 deletions
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10
adminer/drivers/mssql.inc.php
View File

@@ -340,15 +340,17 @@ WHERE o.schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND o.type IN ('S', 'U',
function indexes($table, $connection2 = null) {
$return = array();
// sp_statistics doesn't return information about primary key
foreach (get_rows("SELECT i.name, key_ordinal, is_unique, is_primary_key, c.name AS column_name
foreach (get_rows("SELECT i.name, key_ordinal, is_unique, is_primary_key, c.name AS column_name, is_descending_key
FROM sys.indexes i
INNER JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
INNER JOIN sys.columns c ON ic.object_id = c.object_id AND ic.column_id = c.column_id
WHERE OBJECT_NAME(i.object_id) = " . q($table)
, $connection2) as $row) {
$return[$row["name"]]["type"] = ($row["is_primary_key"] ? "PRIMARY" : ($row["is_unique"] ? "UNIQUE" : "INDEX"));
$return[$row["name"]]["lengths"] = array();
$return[$row["name"]]["columns"][$row["key_ordinal"]] = $row["column_name"];
$name = $row["name"];
$return[$name]["type"] = ($row["is_primary_key"] ? "PRIMARY" : ($row["is_unique"] ? "UNIQUE" : "INDEX"));
$return[$name]["lengths"] = array();
$return[$name]["columns"][$row["key_ordinal"]] = $row["column_name"];
$return[$name]["descs"][$row["key_ordinal"]] = ($row["is_descending_key"] ? '1' : null);
}
return $return;
}

1
adminer/drivers/mysql.inc.php
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@@ -445,6 +445,7 @@ if (!defined("DRIVER")) {
$return[$row["Key_name"]]["type"] = ($row["Key_name"] == "PRIMARY" ? "PRIMARY" : ($row["Index_type"] == "FULLTEXT" ? "FULLTEXT" : ($row["Non_unique"] ? "INDEX" : "UNIQUE")));
$return[$row["Key_name"]]["columns"][] = $row["Column_name"];
$return[$row["Key_name"]]["lengths"][] = $row["Sub_part"];
$return[$row["Key_name"]]["descs"][] = null;
}
return $return;
}

8
adminer/drivers/oracle.inc.php
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@@ -245,9 +245,11 @@ FROM user_ind_columns uic
LEFT JOIN user_constraints uc ON uic.index_name = uc.constraint_name AND uic.table_name = uc.table_name
WHERE uic.table_name = " . q($table) . "
ORDER BY uc.constraint_type, uic.column_position", $connection2) as $row) {
$return[$row["INDEX_NAME"]]["type"] = ($row["CONSTRAINT_TYPE"] == "P" ? "PRIMARY" : ($row["CONSTRAINT_TYPE"] == "U" ? "UNIQUE" : "INDEX"));
$return[$row["INDEX_NAME"]]["columns"][] = $row["COLUMN_NAME"];
$return[$row["INDEX_NAME"]]["lengths"][] = ($row["CHAR_LENGTH"] && $row["CHAR_LENGTH"] != $row["COLUMN_LENGTH"] ? $row["CHAR_LENGTH"] : null);
$index_name = $row["INDEX_NAME"];
$return[$index_name]["type"] = ($row["CONSTRAINT_TYPE"] == "P" ? "PRIMARY" : ($row["CONSTRAINT_TYPE"] == "U" ? "UNIQUE" : "INDEX"));
$return[$index_name]["columns"][] = $row["COLUMN_NAME"];
$return[$index_name]["lengths"][] = ($row["CHAR_LENGTH"] && $row["CHAR_LENGTH"] != $row["COLUMN_LENGTH"] ? $row["CHAR_LENGTH"] : null);
$return[$index_name]["descs"][] = ($row["DESCEND"] ? '1' : null);
}
return $return;
}

16
adminer/drivers/pgsql.inc.php
View File

@@ -268,13 +268,18 @@ ORDER BY a.attnum"
$return = array();
$table_oid = $connection2->result("SELECT oid FROM pg_class WHERE relnamespace = (SELECT oid FROM pg_namespace WHERE nspname = current_schema()) AND relname = " . q($table));
$columns = get_key_vals("SELECT attnum, attname FROM pg_attribute WHERE attrelid = $table_oid AND attnum > 0", $connection2);
foreach (get_rows("SELECT relname, indisunique::int, indisprimary::int, indkey FROM pg_index i, pg_class ci WHERE i.indrelid = $table_oid AND ci.oid = i.indexrelid", $connection2) as $row) {
$return[$row["relname"]]["type"] = ($row["indisprimary"] ? "PRIMARY" : ($row["indisunique"] ? "UNIQUE" : "INDEX"));
$return[$row["relname"]]["columns"] = array();
foreach (get_rows("SELECT relname, indisunique::int, indisprimary::int, indkey, indoption FROM pg_index i, pg_class ci WHERE i.indrelid = $table_oid AND ci.oid = i.indexrelid", $connection2) as $row) {
$relname = $row["relname"];
$return[$relname]["type"] = ($row["indisprimary"] ? "PRIMARY" : ($row["indisunique"] ? "UNIQUE" : "INDEX"));
$return[$relname]["columns"] = array();
foreach (explode(" ", $row["indkey"]) as $indkey) {
$return[$row["relname"]]["columns"][] = $columns[$indkey];
$return[$relname]["columns"][] = $columns[$indkey];
}
$return[$row["relname"]]["lengths"] = array();
$return[$relname]["descs"] = array();
foreach (explode(" ", $row["indoption"]) as $indoption) {
$return[$relname]["descs"][] = ($indoption ? '1' : null); //! check what the bits mean
}
$return[$relname]["lengths"] = array();
}
return $return;
}
@@ -405,6 +410,7 @@ ORDER BY conkey, conname") as $row) {
$queries = array();
foreach ($alter as $val) {
if ($val[0] != "INDEX") {
//! descending UNIQUE indexes results in syntax error
$create[] = ($val[2] == "DROP"
? "\nDROP CONSTRAINT " . idf_escape($val[1])
: "\nADD" . ($val[1] != "" ? " CONSTRAINT " . idf_escape($val[1]) : "") . " $val[0] " . ($val[0] == "PRIMARY" ? "KEY " : "") . $val[2]

13
adminer/drivers/sqlite.inc.php
View File

@@ -305,11 +305,14 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
$return[""] = array("type" => "PRIMARY", "columns" => $primary, "lengths" => array());
}
foreach (get_rows("PRAGMA index_list(" . table($table) . ")") as $row) {
if (!ereg("^sqlite_", $row["name"])) {
$return[$row["name"]]["type"] = ($row["unique"] ? "UNIQUE" : "INDEX");
$return[$row["name"]]["lengths"] = array();
foreach (get_rows("PRAGMA index_info(" . idf_escape($row["name"]) . ")") as $row1) {
$return[$row["name"]]["columns"][] = $row1["name"];
$name = $row["name"];
if (!ereg("^sqlite_", $name)) {
$return[$name]["type"] = ($row["unique"] ? "UNIQUE" : "INDEX");
$return[$name]["lengths"] = array();
$return[$name]["descs"] = array();
foreach (get_rows("PRAGMA index_info(" . idf_escape($name) . ")") as $row1) {
$return[$name]["columns"][] = $row1["name"];
$return[$name]["descs"][] = null; // information about DESC is not available anywhere
}
}
}