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MS SQL: Support computed columns
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@@ -202,6 +202,7 @@ if (isset($_GET["mssql"])) {
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var $functions = array("len", "lower", "round", "upper");
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var $grouping = array("avg", "count", "count distinct", "max", "min", "sum");
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var $onActions = "NO ACTION|CASCADE|SET NULL|SET DEFAULT";
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var $generated = array("PERSISTED", "VIRTUAL");
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function __construct($connection) {
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parent::__construct($connection);
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@@ -358,17 +359,18 @@ WHERE schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND type IN ('S', 'U', 'V')
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}
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function fields($table) {
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global $connection;
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$comments = get_key_vals("SELECT objname, cast(value as varchar(max)) FROM fn_listextendedproperty('MS_DESCRIPTION', 'schema', " . q(get_schema()) . ", 'table', " . q($table) . ", 'column', NULL)");
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$return = array();
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$table_id = $connection->result("SELECT object_id FROM sys.all_objects WHERE schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND type IN ('S', 'U', 'V') AND name = " . q($table));
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foreach (
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get_rows("SELECT c.max_length, c.precision, c.scale, c.name, c.is_nullable, c.is_identity, c.collation_name, t.name type, CAST(d.definition as text) [default], d.name default_constraint, i.is_primary_key
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FROM sys.all_columns c
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JOIN sys.all_objects o ON c.object_id = o.object_id
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JOIN sys.types t ON c.user_type_id = t.user_type_id
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LEFT JOIN sys.default_constraints d ON c.default_object_id = d.object_id
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LEFT JOIN sys.index_columns ic ON c.object_id = ic.object_id AND c.column_id = ic.column_id
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LEFT JOIN sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id
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WHERE o.schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND o.type IN ('S', 'U', 'V') AND o.name = " . q($table)) as $row
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WHERE c.object_id = " . q($table_id)) as $row
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) {
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$type = $row["type"];
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$length = (preg_match("~char|binary~", $type)
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@@ -390,6 +392,10 @@ WHERE o.schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND o.type IN ('S', 'U',
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"comment" => $comments[$row["name"]],
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);
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}
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foreach (get_rows("SELECT * FROM sys.computed_columns WHERE object_id = " . q($table_id)) as $row) {
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$return[$row["name"]]["generated"] = ($row["is_persisted"] ? "PERSISTED" : "VIRTUAL");
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$return[$row["name"]]["default"] = $row["definition"];
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}
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return $return;
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}
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@@ -467,6 +473,9 @@ WHERE OBJECT_NAME(i.object_id) = " . q($table), $connection2) as $row
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$val[1] = preg_replace("~( COLLATE )'(\\w+)'~", '\1\2', $val[1]);
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$comments[$field[0]] = $val[5];
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unset($val[5]);
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if (preg_match('~ AS ~', $val[3])) {
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unset($val[1], $val[2]);
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}
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if ($field[0] == "") {
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$alter["ADD"][] = "\n " . implode("", $val) . ($table == "" ? substr($foreign[$val[0]], 16 + strlen($val[0])) : ""); // 16 - strlen(" FOREIGN KEY ()")
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} else {
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