PostgresqlQuery
Extends DatabaseQuery Implements LimitableInterface, PreparableInterfacePostgreSQL Query Building Class.
| since |
1.0 |
|---|---|
| deprecated |
2.0 Use the PDO PostgreSQL driver instead |
| package |
Joomla Framework |
Methods
__call
Magic method to provide method alias support for quote() and quoteName().
__call(string method, array args) : mixed
| since |
1.0 |
|---|
Arguments
- method
stringThe called method.- args
arrayThe array of arguments passed to the method.
Response
mixedThe aliased method's return value or null.
__clone
Method to provide deep copy support to nested objects and arrays when cloning.
__clone() : void
| since |
1.0 |
|---|
__construct
Class constructor.
__construct(\Joomla\Database\DatabaseDriver db = null) : mixed
| since |
1.0 |
|---|
Arguments
- db
\Joomla\Database\DatabaseDriverThe database driver.
Response
mixed
__get
Magic function to get protected variable value
__get(string name) : mixed
| since |
1.0 |
|---|
Arguments
- name
stringThe name of the variable.
Response
mixed
__toString
Magic function to convert the query to a string.
__toString() : string
| since |
1.0 |
|---|
Response
stringThe completed query.
andWhere
Extend the WHERE clause with an AND and a single condition or an array of conditions.
andWhere(mixed conditions, string glue = 'OR') : \Joomla\Database\DatabaseQuery
Usage: $query->where(array('a = 1', 'b = 2'))->andWhere(array('c = 3', 'd = 4')); will produce: WHERE ((a = 1 AND b = 2) AND (c = 3 OR d = 4)
| since |
1.3.0 |
|---|
Arguments
- conditions
mixedA string or array of WHERE conditions.- glue
stringThe glue by which to join the conditions. Defaults to OR.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
bind
Method to add a variable to an internal array that will be bound to a prepared SQL statement before query execution. Also removes a variable that has been bounded from the internal bounded array when the passed in value is null.
bind(string|int key = null, mixed &value = null, string dataType = '', int length, array driverOptions = array()) : \Joomla\Database\Postgresql\PostgresqlQuery
| since |
1.5.0 |
|---|
Arguments
- key
string|intThe key that will be used in your SQL query to reference the value. Usually of the form ':key', but can also be an integer.- value
mixedThe value that will be bound. The value is passed by reference to support output parameters such as those possible with stored procedures.- dataType
stringThe corresponding bind type. (Unused)- length
intThe length of the variable. Usually required for OUTPUT parameters. (Unused)- driverOptions
arrayOptional driver options to be used. (Unused)
Response
\Joomla\Database\Postgresql\PostgresqlQuery
call
Add a single column, or array of columns to the CALL clause of the query.
call(mixed columns) : \Joomla\Database\DatabaseQuery
Note that you must not mix insert, update, delete and select method calls when building a query. The call method can, however, be called multiple times in the same query.
Usage: $query->call('a.')->call('b.id'); $query->call(array('a.', 'b.id'));
| since |
1.0 |
|---|
Arguments
- columns
mixedA string or an array of field names.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
castAsChar
Casts a value to a char.
castAsChar(string value) : string
Ensure that the value is properly quoted before passing to the method.
Usage: $query->select($query->castAsChar('a'));
| since |
1.0 |
|---|
Arguments
- value
stringThe value to cast as a char.
Response
stringReturns the cast value.
charLength
Gets the number of characters in a string.
charLength(string field, string operator = null, string condition = null) : string
Note, use 'length' to find the number of bytes in a string.
Usage: $query->select($query->charLength('a'));
| since |
1.0 |
|---|
Arguments
- field
stringA value.- operator
stringComparison operator between charLength integer value and $condition- condition
stringInteger value to compare charLength with.
Response
stringThe required char length call.
clear
Clear data from the query or a specific clause of the query.
clear(string clause = null) : \Joomla\Database\DatabaseQuery
| since |
1.0 |
|---|
Arguments
- clause
stringOptionally, the name of the clause to clear, or nothing to clear the whole query.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
columns
Adds a column, or array of column names that would be used for an INSERT INTO statement.
columns(array|string columns) : \Joomla\Database\DatabaseQuery
| since |
1.0 |
|---|
Arguments
- columns
array|stringA column name, or array of column names.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
concatenate
Concatenates an array of column names or values.
concatenate(array values, string separator = null) : string
Usage: $query->select($query->concatenate(array('a', 'b')));
| since |
1.0 |
|---|
Arguments
- values
arrayAn array of values to concatenate.- separator
stringAs separator to place between each value.
Response
stringThe concatenated values.
currentTimestamp
Gets the current date and time.
currentTimestamp() : string
Usage: $query->where('published_up < '.$query->currentTimestamp());
| since |
1.0 |
|---|
Response
string
dateAdd
Add to the current date and time.
dateAdd(string date, string interval, string datePart) : string
Usage: $query->select($query->dateAdd());
Prefixing the interval with a - (negative sign) will cause subtraction to be used. Note: Not all drivers support all units.
| link | |
|---|---|
| since |
1.5.0 |
Arguments
- date
stringThe db quoted string representation of the date to add to. May be date or datetime- interval
stringThe string representation of the appropriate number of units- datePart
stringThe part of the date to perform the addition on
Response
stringThe string with the appropriate sql for addition of dates
dateFormat
Returns a PHP date() function compliant date format for the database driver.
dateFormat() : string
This method is provided for use where the query object is passed to a function for modification. If you have direct access to the database object, it is recommended you use the getDateFormat method directly.
| since |
1.0 |
|---|---|
| throws |
|
Response
stringThe format string.
day
Used to get a string to extract day from date column.
day(string date) : string
Usage: $query->select($query->day($query->quoteName('dateColumn')));
| since |
1.0 |
|---|
Arguments
- date
stringDate column containing day to be extracted.
Response
stringReturns string to extract day from a date.
delete
Add a table name to the DELETE clause of the query.
delete(string table = null) : \Joomla\Database\DatabaseQuery
Note that you must not mix insert, update, delete and select method calls when building a query.
Usage: $query->delete('#__a')->where('id = 1');
| since |
1.0 |
|---|
Arguments
- table
stringThe name of the table to delete from.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
dump
Creates a formatted dump of the query for debugging purposes.
dump() : string
Usage: echo $query->dump();
| since |
1.0 |
|---|
Response
string
e
e(mixed text, mixed extra) : string
Alias for escape method
Arguments
- text
mixed- extra
mixed
Response
string
escape
Method to escape a string for usage in an SQL statement.
escape(string text, bool extra = false) : string
This method is provided for use where the query object is passed to a function for modification. If you have direct access to the database object, it is recommended you use the escape method directly.
Note that 'e' is an alias for this method as it is in JDatabaseDatabaseDriver.
| since |
1.0 |
|---|---|
| throws |
|
Arguments
- text
stringThe string to be escaped.- extra
boolOptional parameter to provide extra escaping.
Response
stringThe escaped string.
exec
Add a single column, or array of columns to the EXEC clause of the query.
exec(array|string columns) : \Joomla\Database\DatabaseQuery
Note that you must not mix insert, update, delete and select method calls when building a query. The exec method can, however, be called multiple times in the same query.
Usage: $query->exec('a.')->exec('b.id'); $query->exec(array('a.', 'b.id'));
| since |
1.0 |
|---|
Arguments
- columns
array|stringA string or an array of field names.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
extendWhere
Extend the WHERE clause with a single condition or an array of conditions, with a potentially different logical operator from the one in the current WHERE clause.
extendWhere(string outerGlue, mixed conditions, string innerGlue = 'AND') : \Joomla\Database\DatabaseQuery
Usage: $query->where(array('a = 1', 'b = 2'))->extendWhere('XOR', array('c = 3', 'd = 4')); will produce: WHERE ((a = 1 AND b = 2) XOR (c = 3 AND d = 4)
| since |
1.3.0 |
|---|
Arguments
- outerGlue
stringThe glue by which to join the conditions to the current WHERE conditions.- conditions
mixedA string or array of WHERE conditions.- innerGlue
stringThe glue by which to join the conditions. Defaults to AND.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
findInSet
Find a value in a varchar used like a set.
findInSet(string value, string set) : string
Ensure that the value is an integer before passing to the method.
Usage: $query->findInSet((int) $parent->id, 'a.assigned_cat_ids')
| since |
1.5.0 |
|---|
Arguments
- value
stringThe value to search for.- set
stringThe set of values.
Response
stringA representation of the MySQL find_in_set() function for the driver.
format
Find and replace sprintf-like tokens in a format string.
format(string format) : string
Each token takes one of the following forms: %% - A literal percent character. %[t] - Where [t] is a type specifier. %[n]$[x] - Where [n] is an argument specifier and [t] is a type specifier.
Types: a - Numeric: Replacement text is coerced to a numeric type but not quoted or escaped. e - Escape: Replacement text is passed to $this->escape(). E - Escape (extra): Replacement text is passed to $this->escape() with true as the second argument. n - Name Quote: Replacement text is passed to $this->quoteName(). q - Quote: Replacement text is passed to $this->quote(). Q - Quote (no escape): Replacement text is passed to $this->quote() with false as the second argument. r - Raw: Replacement text is used as-is. (Be careful)
Date Types:
- Replacement text automatically quoted (use uppercase for Name Quote).
- Replacement text should be a string in date format or name of a date column. y/Y - Year m/M - Month d/D - Day h/H - Hour i/I - Minute s/S - Second
Invariable Types:
- Takes no argument.
- Argument index not incremented. t - Replacement text is the result of $this->currentTimestamp(). z - Replacement text is the result of $this->nullDate(false). Z - Replacement text is the result of $this->nullDate(true).
Usage:
$query->format('SELECT %1$n FROM %2$n WHERE %3$n = %4$a', 'foo', '#__foo', 'bar', 1);
Returns: SELECT foo FROM #__foo WHERE bar = 1
Notes: The argument specifier is optional but recommended for clarity. The argument index used for unspecified tokens is incremented only when used.
| since |
1.0 |
|---|
Arguments
- format
stringThe formatting string.
Response
stringReturns a string produced according to the formatting string.
forUpdate
Sets the FOR UPDATE lock on select's output row
forUpdate(string tableName, string glue = ',') : \Joomla\Database\Postgresql\PostgresqlQuery
| since |
1.0 |
|---|
Arguments
- tableName
stringThe table to lock- glue
stringThe glue by which to join the conditions. Defaults to ',' .
Response
\Joomla\Database\Postgresql\PostgresqlQueryFOR UPDATE query element
from
Add a table to the FROM clause of the query.
from(array|string tables, string subQueryAlias = null) : \Joomla\Database\DatabaseQuery
Note that while an array of tables can be provided, it is recommended you use explicit joins.
Usage: $query->select('*')->from('#__a');
| since |
1.0 |
|---|---|
| throws |
|
Arguments
- tables
array|stringA string or array of table names. This can be a DatabaseQuery object (or a child of it) when used as a subquery in FROM clause along with a value for $subQueryAlias.- subQueryAlias
stringAlias used when $tables is a DatabaseQuery.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
getBounded
Retrieves the bound parameters array when key is null and returns it by reference. If a key is provided then that item is returned.
getBounded(mixed key = null) : mixed
| since |
1.5.0 |
|---|
Arguments
- key
mixedThe bounded variable key to retrieve.
Response
mixed
group
Add a grouping column to the GROUP clause of the query.
group(array|string columns) : \Joomla\Database\DatabaseQuery
Usage: $query->group('id');
| since |
1.0 |
|---|
Arguments
- columns
array|stringA string or array of ordering columns.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
having
A conditions to the HAVING clause of the query.
having(array|string conditions, string glue = 'AND') : \Joomla\Database\DatabaseQuery
Usage: $query->group('id')->having('COUNT(id) > 5');
| since |
1.0 |
|---|
Arguments
- conditions
array|stringA string or array of columns.- glue
stringThe glue by which to join the conditions. Defaults to AND.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
hour
Used to get a string to extract hour from date column.
hour(string date) : string
Usage: $query->select($query->hour($query->quoteName('dateColumn')));
| since |
1.0 |
|---|
Arguments
- date
stringDate column containing hour to be extracted.
Response
stringReturns string to extract hour from a date.
innerJoin
Add an INNER JOIN clause to the query.
innerJoin(string condition) : \Joomla\Database\DatabaseQuery
Usage: $query->innerJoin('b ON b.id = a.id')->innerJoin('c ON c.id = b.id');
| since |
1.0 |
|---|
Arguments
- condition
stringThe join condition.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
insert
Add a table name to the INSERT clause of the query.
insert(string table, bool incrementField = false) : \Joomla\Database\DatabaseQuery
Note that you must not mix insert, update, delete and select method calls when building a query.
Usage: $query->insert('#__a')->set('id = 1'); $query->insert('#__a')->columns('id, title')->values('1,2')->values('3,4'); $query->insert('#__a')->columns('id, title')->values(array('1,2', '3,4'));
| since |
1.0 |
|---|
Arguments
- table
stringThe name of the table to insert data into.- incrementField
boolThe name of the field to auto increment.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
join
Add a JOIN clause to the query.
join(string type, array|string conditions) : \Joomla\Database\DatabaseQuery
Usage: $query->join('INNER', 'b ON b.id = a.id);
| since |
1.0 |
|---|
Arguments
- type
stringThe type of join. This string is prepended to the JOIN keyword.- conditions
array|stringA string or array of conditions.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
leftJoin
Add a LEFT JOIN clause to the query.
leftJoin(string condition) : \Joomla\Database\DatabaseQuery
Usage: $query->leftJoin('b ON b.id = a.id')->leftJoin('c ON c.id = b.id');
| since |
1.0 |
|---|
Arguments
- condition
stringThe join condition.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
length
Get the length of a string in bytes.
length(string value) : int
Note, use 'charLength' to find the number of characters in a string.
Usage: query->where($query->length('a').' > 3');
| since |
1.0 |
|---|
Arguments
- value
stringThe string to measure.
Response
int
limit
Set the LIMIT clause to the query
limit(int limit) : \Joomla\Database\Postgresql\PostgresqlQuery
| since |
1.0 |
|---|
Arguments
- limit
intNumber of rows to return
Response
\Joomla\Database\Postgresql\PostgresqlQueryReturns this object to allow chaining.
minute
Used to get a string to extract minute from date column.
minute(string date) : string
Usage: $query->select($query->minute($query->quoteName('dateColumn')));
| since |
1.0 |
|---|
Arguments
- date
stringDate column containing minute to be extracted.
Response
stringReturns string to extract minute from a date.
month
Used to get a string to extract month from date column.
month(string date) : string
Usage: $query->select($query->month($query->quoteName('dateColumn')));
| since |
1.0 |
|---|
Arguments
- date
stringDate column containing month to be extracted.
Response
stringReturns string to extract month from a date.
noWait
Sets the NOWAIT lock on select's output row
noWait() : \Joomla\Database\Postgresql\PostgresqlQuery
| since |
1.0 |
|---|
Response
\Joomla\Database\Postgresql\PostgresqlQueryNOWAIT query element
nullDate
Get the null or zero representation of a timestamp for the database driver.
nullDate(bool quoted = true) : string
This method is provided for use where the query object is passed to a function for modification. If you have direct access to the database object, it is recommended you use the nullDate method directly.
Usage: $query->where('modified_date <> '.$query->nullDate());
| since |
1.0 |
|---|---|
| throws |
|
Arguments
- quoted
boolOptionally wraps the null date in database quotes (true by default).
Response
stringNull or zero representation of a timestamp.
offset
Set the OFFSET clause to the query
offset(int offset) : \Joomla\Database\Postgresql\PostgresqlQuery
| since |
1.0 |
|---|
Arguments
- offset
intAn integer for skipping rows
Response
\Joomla\Database\Postgresql\PostgresqlQueryReturns this object to allow chaining.
order
Add a ordering column to the ORDER clause of the query.
order(array|string columns) : \Joomla\Database\DatabaseQuery
Usage: $query->order('foo')->order('bar'); $query->order(array('foo','bar'));
| since |
1.0 |
|---|
Arguments
- columns
array|stringA string or array of ordering columns.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
orWhere
Extend the WHERE clause with an OR and a single condition or an array of conditions.
orWhere(mixed conditions, string glue = 'AND') : \Joomla\Database\DatabaseQuery
Usage: $query->where(array('a = 1', 'b = 2'))->orWhere(array('c = 3', 'd = 4')); will produce: WHERE ((a = 1 AND b = 2) OR (c = 3 AND d = 4)
| since |
1.3.0 |
|---|
Arguments
- conditions
mixedA string or array of WHERE conditions.- glue
stringThe glue by which to join the conditions. Defaults to AND.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
outerJoin
Add an OUTER JOIN clause to the query.
outerJoin(string condition) : \Joomla\Database\DatabaseQuery
Usage: $query->outerJoin('b ON b.id = a.id')->outerJoin('c ON c.id = b.id');
| since |
1.0 |
|---|
Arguments
- condition
stringThe join condition.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
processLimit
Method to modify a query already in string format with the needed additions to make the query limited to a particular number of results, or start at a particular offset.
processLimit(string query, int limit, int offset) : string
| since |
1.0 |
|---|
Arguments
- query
stringThe query in string format- limit
intThe limit for the result set- offset
intThe offset for the result set
Response
string
q
q(mixed text, mixed escape) : string
Alias for quote method
Arguments
- text
mixed- escape
mixed
Response
string
qn
qn(mixed name, mixed as) : string
Alias for quoteName method
Arguments
- name
mixed- as
mixed
Response
string
quote
Method to quote and optionally escape a string to database requirements for insertion into the database.
quote(array|string text, bool escape = true) : string
This method is provided for use where the query object is passed to a function for modification. If you have direct access to the database object, it is recommended you use the quote method directly.
Note that 'q' is an alias for this method as it is in DatabaseDriver.
Usage: $query->quote('fulltext'); $query->q('fulltext'); $query->q(array('option', 'fulltext'));
| since |
1.0 |
|---|---|
| throws |
|
Arguments
- text
array|stringA string or an array of strings to quote.- escape
boolTrue (default) to escape the string, false to leave it unchanged.
Response
stringThe quoted input string.
quoteName
Wrap an SQL statement identifier name such as column, table or database names in quotes to prevent injection risks and reserved word conflicts.
quoteName(array|string name, array|string as = null) : array|string
This method is provided for use where the query object is passed to a function for modification. If you have direct access to the database object, it is recommended you use the quoteName method directly.
Note that 'qn' is an alias for this method as it is in DatabaseDriver.
Usage: $query->quoteName('#__a'); $query->qn('#__a');
| since |
1.0 |
|---|---|
| throws |
|
Arguments
- name
array|stringThe identifier name to wrap in quotes, or an array of identifier names to wrap in quotes. Each type supports dot-notation name.- as
array|stringThe AS query part associated to $name. It can be string or array, in latter case it has to be same length of $name; if is null there will not be any AS part for string or array element.
Response
array|stringThe quote wrapped name, same type of $name.
rand
Get the function to return a random floating-point value
rand() : string
Usage: $query->rand();
| since |
1.5.0 |
|---|
Response
string
regexp
Get the regular expression operator
regexp(string value) : string
Usage: $query->where('field ' . $query->regexp($search));
| since |
1.5.0 |
|---|
Arguments
- value
stringThe regex pattern.
Response
string
returning
Add the RETURNING element to INSERT INTO statement.
returning(mixed pkCol) : \Joomla\Database\Postgresql\PostgresqlQuery
| since |
1.0 |
|---|
Arguments
- pkCol
mixedThe name of the primary key column.
Response
\Joomla\Database\Postgresql\PostgresqlQueryReturns this object to allow chaining.
rightJoin
Add a RIGHT JOIN clause to the query.
rightJoin(string condition) : \Joomla\Database\DatabaseQuery
Usage: $query->rightJoin('b ON b.id = a.id')->rightJoin('c ON c.id = b.id');
| since |
1.0 |
|---|
Arguments
- condition
stringThe join condition.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
second
Used to get a string to extract seconds from date column.
second(string date) : string
Usage: $query->select($query->second($query->quoteName('dateColumn')));
| since |
1.0 |
|---|
Arguments
- date
stringDate column containing second to be extracted.
Response
stringReturns string to extract second from a date.
select
Add a single column, or array of columns to the SELECT clause of the query.
select(array|string columns) : \Joomla\Database\DatabaseQuery
Note that you must not mix insert, update, delete and select method calls when building a query. The select method can, however, be called multiple times in the same query.
Usage: $query->select('a.')->select('b.id'); $query->select(array('a.', 'b.id'));
| since |
1.0 |
|---|
Arguments
- columns
array|stringA string or an array of field names.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
set
Add a single condition string, or an array of strings to the SET clause of the query.
set(array|string conditions, string glue = ',') : \Joomla\Database\DatabaseQuery
Usage: $query->set('a = 1')->set('b = 2'); $query->set(array('a = 1', 'b = 2');
| since |
1.0 |
|---|
Arguments
- conditions
array|stringA string or array of string conditions.- glue
stringThe glue by which to join the condition strings. Defaults to ,. Note that the glue is set on first use and cannot be changed.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
setLimit
Sets the offset and limit for the result set, if the database driver supports it.
setLimit(int limit, int offset) : \Joomla\Database\Postgresql\PostgresqlQuery
Usage: $query->setLimit(100, 0); (retrieve 100 rows, starting at first record) $query->setLimit(50, 50); (retrieve 50 rows, starting at 50th record)
| since |
1.0 |
|---|
Arguments
- limit
intThe limit for the result set- offset
intThe offset for the result set
Response
\Joomla\Database\Postgresql\PostgresqlQueryReturns this object to allow chaining.
setQuery
Allows a direct query to be provided to the database driver's setQuery() method, but still allow queries to have bounded variables.
setQuery(\Joomla\Database\DatabaseQuery|string sql) : \Joomla\Database\DatabaseQuery
Usage: $query->setQuery('select * from #__users');
| since |
1.0 |
|---|
Arguments
- sql
\Joomla\Database\DatabaseQuery|stringA SQL query string or DatabaseQuery object
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
union
Add a query to UNION with the current query.
union(\Joomla\Database\DatabaseQuery|string query, bool distinct = false, string glue = '') : \Joomla\Database\DatabaseQuery
Multiple unions each require separate statements and create an array of unions.
Usage: $query->union('SELECT name FROM #__foo') $query->union('SELECT name FROM #__foo','distinct') $query->union(array('SELECT name FROM #__foo', 'SELECT name FROM #__bar'))
| since |
1.0 |
|---|
Arguments
- query
\Joomla\Database\DatabaseQuery|stringThe DatabaseQuery object or string to union.- distinct
boolTrue to only return distinct rows from the union.- glue
stringThe glue by which to join the conditions.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
unionAll
Add a query to UNION ALL with the current query.
unionAll(\Joomla\Database\DatabaseQuery|string query, bool distinct = false, string glue = '') : \Joomla\Database\DatabaseQuery
Multiple unions each require separate statements and create an array of unions.
Usage: $query->union('SELECT name FROM #__foo') $query->union(array('SELECT name FROM #__foo','SELECT name FROM #__bar'))
| see | union |
|---|---|
| since |
1.5.0 |
Arguments
- query
\Joomla\Database\DatabaseQuery|stringThe DatabaseQuery object or string to union.- distinct
boolNot used - ignored.- glue
stringThe glue by which to join the conditions.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
unionDistinct
Add a query to UNION DISTINCT with the current query. Simply a proxy to Union with the Distinct clause.
unionDistinct(\Joomla\Database\DatabaseQuery|string query, string glue = '') : \Joomla\Database\DatabaseQuery
Usage: $query->unionDistinct('SELECT name FROM #__foo')
| since |
1.0 |
|---|
Arguments
- query
\Joomla\Database\DatabaseQuery|stringThe DatabaseQuery object or string to union.- glue
stringThe glue by which to join the conditions.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
update
Add a table name to the UPDATE clause of the query.
update(string table) : \Joomla\Database\DatabaseQuery
Note that you must not mix insert, update, delete and select method calls when building a query.
Usage: $query->update('#__foo')->set(...);
| since |
1.0 |
|---|
Arguments
- table
stringA table to update.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
values
Adds a tuple, or array of tuples that would be used as values for an INSERT INTO statement.
values(array|string values) : \Joomla\Database\DatabaseQuery
Usage: $query->values('1,2,3')->values('4,5,6'); $query->values(array('1,2,3', '4,5,6'));
| since |
1.0 |
|---|
Arguments
- values
array|stringA single tuple, or array of tuples.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
where
Add a single condition, or an array of conditions to the WHERE clause of the query.
where(array|string conditions, string glue = 'AND') : \Joomla\Database\DatabaseQuery
Usage: $query->where('a = 1')->where('b = 2'); $query->where(array('a = 1', 'b = 2'));
| since |
1.0 |
|---|
Arguments
- conditions
array|stringA string or array of where conditions.- glue
stringThe glue by which to join the conditions. Defaults to AND. Note that the glue is set on first use and cannot be changed.
Response
\Joomla\Database\DatabaseQueryReturns this object to allow chaining.
year
Used to get a string to extract year from date column.
year(string date) : string
Usage: $query->select($query->year($query->quoteName('dateColumn')));
| since |
1.0 |
|---|
Arguments
- date
stringDate column containing year to be extracted.
Response
stringReturns string to extract year from a date.
Properties
forUpdate
The FOR UPDATE element used in "FOR UPDATE" lock
| since |
1.0 |
|---|
Type(s)
object
noWait
The NOWAIT element used in "FOR SHARE" and "FOR UPDATE" lock
| since |
1.0 |
|---|
Type(s)
object
limit
The LIMIT element
| since |
1.0 |
|---|
Type(s)
object
offset
The OFFSET element
| since |
1.0 |
|---|
Type(s)
object
returning
The RETURNING element of INSERT INTO
| since |
1.0 |
|---|
Type(s)
object
bounded
Holds key / value pair of bound objects.
| since |
1.5.0 |
|---|
Type(s)
mixed
db
The database driver.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\DatabaseDriver
sql
The SQL query (if a direct query string was provided).
| since |
1.0 |
|---|
Type(s)
string
type
The query type.
| since |
1.0 |
|---|
Type(s)
string
element
The query element for a generic query (type = null).
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
select
The select element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
delete
The delete element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
update
The update element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
insert
The insert element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
from
The from element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
join
The join element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
set
The set element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
where
The where element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
group
The group by element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
having
The having element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
columns
The column list for an INSERT statement.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
values
The values list for an INSERT statement.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
order
The order element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
autoIncrementField
The auto increment insert field element.
| since |
1.0 |
|---|
Type(s)
object
call
The call element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
exec
The exec element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
union
The union element.
| since |
1.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement
unionAll
The unionAll element.
| since |
1.5.0 |
|---|
Type(s)
\Joomla\Database\Query\QueryElement