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Refresh page Mar 28, 2024 18:39

Supported Clients
SmartClient WebClient NGClient

Constants Summary
Number DATABASE_IDENTITY Constant used when setting or getting the sequence type of columns.
Number DATABASE_SEQUENCE Constant used when setting or getting the sequence type of columns.
Number DATETIME Constant used when setting or getting the type of columns.
Number EXCLUDED_COLUMN Constant used when setting or getting the flags of columns.
Number INTEGER Constant used when setting or getting the type of columns.
Number MEDIA Constant used when setting or getting the type of columns.
Number NATIVE_COLUMN Constant used when setting or getting the flags of columns.
Number NONE Constant for column information indicating unset values.
Number NUMBER Constant used when setting or getting the type of columns.
Number PK_COLUMN Constant used when setting or getting the row identifier type of columns.
Number ROWID_COLUMN Constant used when setting or getting the row identifier type of columns.
Number SERVOY_SEQUENCE Constant used when setting or getting the sequence type of columns.
Number TENANT_COLUMN Constant used when setting or getting the flags of columns.
Number TEXT Constant used when setting or getting the type of columns.
Number UUID_COLUMN Constant used when setting or getting the flags of columns.
Number UUID_GENERATOR Constant used when setting or getting the sequence type of columns.

Property Summary
Boolean allowNull Get or set the allow-null flag of a new column.
Number rowIdentifierType Get or set the row identifier type of the column.
Number sequenceType Get or set the sequence type of the column.

Methods Summary
String getDataProviderID() Get the data provider id for this column (which is the same as name if not explicitly defined otherwise).
String getDefaultFormat() Get the default format of the column.
String getDescription() Get the description property of the column.
String getForeignType() Get the foreign type of the column.
Number getLength() Get the length of the column as reported by the JDBC driver.
String getName() Get the name of the column as used by Servoy.
String getQualifiedName() Get the qualified name (including table name) of the column as known by the database.
String getQuotedSQLName() Returns a quoted version of the column name, if necessary, as defined by the actual database used.
String getSQLName() Get the name of the column as known by the database.
Number getSQLType() Get the raw JDBC type of the column, which allows to check database specific types, like sting/byte column type variations.
Number getScale() Get the scale of the column as reported by the JDBC driver.
JSTable getTable() Get the JSTable of this column.
String getTitle() Get the title property of the column.
Number getType() Get the JDBC type of the column.
String getTypeAsString() Get the name JDBC type of the column.
Boolean hasFlag(flag) Check a flag of the column.
void setDatabaseSequenceName(sequenceName) Set the database sequence name of the column, used for columns with sequence type JSColumn.
void setFlag(flag, set) Set or clear a flag of a new column.

Constants Details

DATABASE_IDENTITY

Constant used when setting or getting the sequence type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getSequenceType())
{
case JSColumn.NONE:
	// handle column with no sequence
break;

case JSColumn.UUID_GENERATOR:
	// handle uuid generated column
break;
}

DATABASE_SEQUENCE

Constant used when setting or getting the sequence type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getSequenceType())
{
case JSColumn.NONE:
	// handle column with no sequence
break;

case JSColumn.UUID_GENERATOR:
	// handle uuid generated column
break;
}

DATETIME

Constant used when setting or getting the type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getType())
{
case JSColumn.TEXT:
	// handle text column
break;

case JSColumn.NUMBER:
case JSColumn.INTEGER:
	// handle numerical column
break;
}

EXCLUDED_COLUMN

Constant used when setting or getting the flags of columns.
This flag identifies columns that are skipped in the sql.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
if (column.hasFlag(JSColumn.UUID_COLUMN))
{
	// handle uuid column
}

INTEGER

Constant used when setting or getting the type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getType())
{
case JSColumn.TEXT:
	// handle text column
break;

case JSColumn.NUMBER:
case JSColumn.INTEGER:
	// handle numerical column
break;
}

MEDIA

Constant used when setting or getting the type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getType())
{
case JSColumn.TEXT:
	// handle text column
break;

case JSColumn.NUMBER:
case JSColumn.INTEGER:
	// handle numerical column
break;
}

NATIVE_COLUMN

Constant used when setting or getting the flags of columns.
This flag identifies columns that are marked as a native type column (for example uniqueidentifier).

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
if (column.hasFlag(JSColumn.UUID_COLUMN))
{
	// handle uuid column
}

NONE

Constant for column information indicating unset values.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getSequenceType())
{
case JSColumn.NONE:
	// handle column with no sequence
break;

case JSColumn.UUID_GENERATOR:
	// handle uuid generated column
break;
}

NUMBER

Constant used when setting or getting the type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getType())
{
case JSColumn.TEXT:
	// handle text column
break;

case JSColumn.NUMBER:
case JSColumn.INTEGER:
	// handle numerical column
break;
}

PK_COLUMN

Constant used when setting or getting the row identifier type of columns.
This value identifies columns that are defined as primary key in the database.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getRowIdentifierType())
{
case JSColumn.NONE:
	// handle normal column
break;

case JSColumn.PK_COLUMN:
	// handle database pk column
break;

case JSColumn.ROWID_COLUMN:
	// handle developer defined pk column
break;
}

ROWID_COLUMN

Constant used when setting or getting the row identifier type of columns.
This value identifies columns that are defined as primary key by the developer (but not in the database).

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getRowIdentifierType())
{
case JSColumn.NONE:
	// handle normal column
break;

case JSColumn.PK_COLUMN:
	// handle database pk column
break;

case JSColumn.ROWID_COLUMN:
	// handle developer defined pk column
break;
}

SERVOY_SEQUENCE

Constant used when setting or getting the sequence type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getSequenceType())
{
case JSColumn.NONE:
	// handle column with no sequence
break;

case JSColumn.UUID_GENERATOR:
	// handle uuid generated column
break;
}

TENANT_COLUMN

Constant used when setting or getting the flags of columns.
This flag identifies columns that are marked as a tenant column.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
if (column.hasFlag(JSColumn.UUID_COLUMN))
{
	// handle uuid column
}

TEXT

Constant used when setting or getting the type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getType())
{
case JSColumn.TEXT:
	// handle text column
break;

case JSColumn.NUMBER:
case JSColumn.INTEGER:
	// handle numerical column
break;
}

UUID_COLUMN

Constant used when setting or getting the flags of columns.
This flag identifies columns whose values are treated as UUID.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
if (column.hasFlag(JSColumn.UUID_COLUMN))
{
	// handle uuid column
}

UUID_GENERATOR

Constant used when setting or getting the sequence type of columns.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getSequenceType())
{
case JSColumn.NONE:
	// handle column with no sequence
break;

case JSColumn.UUID_GENERATOR:
	// handle uuid generated column
break;
}

Property Details

allowNull

Get or set the allow-null flag of a new column.
Note that when a column is added to an existing table, allowNull will always be set.
For a primary key column, the allowNull flag will be always off, for other columns the flag is set by default.

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var server = plugins.maintenance.getServer("example_data");
if (server)
{
	var table = server.createNewTable("users");
	if (table)
	{
		var pk = table.createNewColumn("id", JSColumn.MEDIA, 16); // can also use (JSColumn.TEXT, 36) for UUIDs
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.setFlag(JSColumn.UUID_COLUMN, true)
		pk.sequenceType = JSColumn.UUID_GENERATOR
		var c = table.createNewColumn("name", JSColumn.TEXT, 100);
		c.allowNull = false
		table.createNewColumn("age", JSColumn.INTEGER, 0);
		table.createNewColumn("last_login", JSColumn.DATETIME, 0);
		var result = server.synchronizeWithDB(table);
		if (result) application.output("Table successfully created.");
		else application.output("Table not created.");
	}
}

rowIdentifierType

Get or set the row identifier type of the column.
The sequence type is one of:
 - JSColumn.PK_COLUMN
 - JSColumn.ROWID_COLUMN
 - JSColumn.NONE

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var server = plugins.maintenance.getServer("example_data");
if (server)
{
	// users has uuid pk
	var table = server.createNewTable("users");
	if (table)
	{
		var pk = table.createNewColumn("id", JSColumn.MEDIA, 16); // can also use <JSColumn.TEXT, 36> for UUIDs)
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.setFlag(JSColumn.UUID_COLUMN, true)
		pk.sequenceType = JSColumn.UUID_GENERATOR
		table.createNewColumn("name", JSColumn.TEXT, 100);
		var result = server.synchronizeWithDB(table);
		if (result) application.output("Table users successfully created.");
		else application.output("Table users not created.");
	}

	// groups has database sequence pk
	table = server.createNewTable("groups");
	if (table)
	{
		pk = table.createNewColumn("id", JSColumn.INTEGER, 0);
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.sequenceType = JSColumn.DATABASE_SEQUENCE
		pk.setDatabaseSequenceName('mygroupsequence')
		table.createNewColumn("name", JSColumn.TEXT, 100);
		result = server.synchronizeWithDB(table);
		if (result) application.output("Table groups successfully created.");
		else application.output("Table groups not created.");
	}
}

sequenceType

Get or set the sequence type of the column.
The sequence type is one of:
 - JSColumn.NONE
 - JSColumn.SERVOY_SEQUENCE
 - JSColumn.DATABASE_SEQUENCE
 - JSColumn.DATABASE_IDENTITY
 - JSColumn.UUID_GENERATOR;

Returns

Supported Clients

SmartClient,WebClient,NGClient

Sample

var server = plugins.maintenance.getServer("example_data");
if (server)
{
	// users has uuid pk
	var table = server.createNewTable("users");
	if (table)
	{
		var pk = table.createNewColumn("id", JSColumn.MEDIA, 16); // can also use <JSColumn.TEXT, 36> for UUIDs)
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.setFlag(JSColumn.UUID_COLUMN, true)
		pk.sequenceType = JSColumn.UUID_GENERATOR
		table.createNewColumn("name", JSColumn.TEXT, 100);
		var result = server.synchronizeWithDB(table);
		if (result) application.output("Table users successfully created.");
		else application.output("Table users not created.");
	}

	// groups has database sequence pk
	table = server.createNewTable("groups");
	if (table)
	{
		pk = table.createNewColumn("id", JSColumn.INTEGER, 0);
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.sequenceType = JSColumn.DATABASE_SEQUENCE
		pk.setDatabaseSequenceName('mygroupsequence')
		table.createNewColumn("name", JSColumn.TEXT, 100);
		result = server.synchronizeWithDB(table);
		if (result) application.output("Table groups successfully created.");
		else application.output("Table groups not created.");
	}
}

Methods Details

getDataProviderID()

Get the data provider id for this column (which is the same as name if not explicitly defined otherwise).

Returns

String String dataprovider id.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var dataProviderId = column.getDataProviderID()

getDefaultFormat()

Get the default format of the column.

Returns

String String column default format.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var format = column.getDefaultFormat()

getDescription()

Get the description property of the column.

Returns

String String column description.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customername')
var desc = column.getDescription()

getForeignType()

Get the foreign type of the column.
The foreign type can be defined design time as a foreign key reference to another table.

Returns

String String foreign type.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var foreignType = column.getForeignType()
if (foreignType != null)
{
	var fkTable = databaseManager.getTable('example_data', foreignType)
}

getLength()

Get the length of the column as reported by the JDBC driver.

Returns

Number int column length.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customername')
if (column.getLength() < 10)
{
	 // handle short column
}

getName()

Get the name of the column as used by Servoy.

Returns

String String column name

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var colName = column.getName()

getQualifiedName()

Get the qualified name (including table name) of the column as known by the database.
The name is quoted, if necessary, as defined by the actual database used.

Returns

String String qualified column name.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var qualifiedSqlName = column.getQualifiedName()

getQuotedSQLName()

Returns a quoted version of the column name, if necessary, as defined by the actual database used.

Returns

String column name, quoted if needed.

Supported Clients

SmartClient,WebClient,NGClient

Sample

//use with the raw SQL plugin:
//if the table name contains characters that are illegal in sql, the table name will be quoted
var jsTable = databaseManager.getTable('udm', 'campaigns')
var quotedTableName = jsTable.getQuotedSQLName()
var jsColumn = jsTable.getColumn('active')
var quotedColumnName = jsColumn.getQuotedSQLName()
plugins.rawSQL.executeSQL('udm',  quotedTableName,  'select * from ' + quotedTableName + ' where ' + quotedColumnName + ' = ?', [1])

getSQLName()

Get the name of the column as known by the database.

Returns

String String sql name

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var sqlName = column.getSQLName()

getSQLType()

Get the raw JDBC type of the column, which allows to check database specific types, like sting/byte column type variations.

Returns

Number int sql type.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var sqlType = column.getSQLType();

getScale()

Get the scale of the column as reported by the JDBC driver.

Returns

Number int column scale.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customername')
var scale = column.getScale()

getTable()

Get the JSTable of this column.

Returns

JSTable table The JSTable of this column.

Supported Clients

SmartClient,WebClient,NGClient

Sample

 

getTitle()

Get the title property of the column. If title is null will return column name.

Returns

String String column title.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customername')
var title = column.getTitle()

getType()

Get the JDBC type of the column.
The type reported by the JDBC driver will be mapped to one of:
 - JSColumn.DATETIME
 - JSColumn.TEXT
 - JSColumn.NUMBER
 - JSColumn.INTEGER
 - JSColumn.MEDIA

Returns

Number int sql type.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
switch (column.getType())
{
case JSColumn.TEXT:
	// handle text column
break;

case JSColumn.NUMBER:
case JSColumn.INTEGER:
	// handle numerical column
break;
}

getTypeAsString()

Get the name JDBC type of the column.
The same mapping as defined in JSColumn.getType() is applied.

Returns

String String sql name.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
var typeName = column.getTypeAsString()

hasFlag(flag)

Check a flag of the column.
The flags are a bit pattern consisting of 1 or more of the following bits:
 - JSColumn.UUID_COLUMN
 - JSColumn.EXCLUDED_COLUMN
 - JSColumn.TENANT_COLUMN
 - JSColumn.NATIVE_COLUMN

Parameters

Number flag ;

Returns

Boolean boolean whether flag is set.

Supported Clients

SmartClient,WebClient,NGClient

Sample

var table = databaseManager.getTable('db:/example_data/orders')
var column = table.getColumn('customerid')
if (column.hasFlag(JSColumn.UUID_COLUMN))
{
	// handle uuid column
}

setDatabaseSequenceName(sequenceName)

Set the database sequence name of the column, used for columns with sequence type JSColumn.DATABASE_SEQUENCE.

Parameters

String sequenceName the sequence name

Supported Clients

SmartClient,WebClient,NGClient

Sample

var server = plugins.maintenance.getServer("example_data");
if (server)
{
	// users has uuid pk
	var table = server.createNewTable("users");
	if (table)
	{
		var pk = table.createNewColumn("id", JSColumn.MEDIA, 16); // can also use <JSColumn.TEXT, 36> for UUIDs)
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.setFlag(JSColumn.UUID_COLUMN, true)
		pk.sequenceType = JSColumn.UUID_GENERATOR
		table.createNewColumn("name", JSColumn.TEXT, 100);
		var result = server.synchronizeWithDB(table);
		if (result) application.output("Table users successfully created.");
		else application.output("Table users not created.");
	}

	// groups has database sequence pk
	table = server.createNewTable("groups");
	if (table)
	{
		pk = table.createNewColumn("id", JSColumn.INTEGER, 0);
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.sequenceType = JSColumn.DATABASE_SEQUENCE
		pk.setDatabaseSequenceName('mygroupsequence')
		table.createNewColumn("name", JSColumn.TEXT, 100);
		result = server.synchronizeWithDB(table);
		if (result) application.output("Table groups successfully created.");
		else application.output("Table groups not created.");
	}
}

setFlag(flag, set)

Set or clear a flag of a new column.
The flags are a bit pattern consisting of 1 or more of the following bits:
 - JSColumn.UUID_COLUMN;
 - JSColumn.EXCLUDED_COLUMN;

Parameters

Number flag the flag to set
Boolean set true for set flag, false for clear flag

Supported Clients

SmartClient,WebClient,NGClient

Sample

var server = plugins.maintenance.getServer("example_data");
if (server)
{
	var table = server.createNewTable("users");
	if (table)
	{
		var pk = table.createNewColumn("id", JSColumn.MEDIA, 16); // can also use (JSColumn.TEXT, 36) for UUIDs
		pk.rowIdentifierType = JSColumn.PK_COLUMN;
		pk.setFlag(JSColumn.UUID_COLUMN, true)
		pk.sequenceType = JSColumn.UUID_GENERATOR
		var c = table.createNewColumn("name", JSColumn.TEXT, 100);
		c.allowNull = false
		table.createNewColumn("age", JSColumn.INTEGER, 0);
		table.createNewColumn("last_login", JSColumn.DATETIME, 0);
		var result = server.synchronizeWithDB(table);
		if (result) application.output("Table successfully created.");
		else application.output("Table not created.");
	}
}

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