Select (TQL): Difference between revisions
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An example of a TQL select statement is: <code>SELECT_LOTSIZE_WHERE_CATEGORY_IS_SOCIAL_AND_STAKEHOLDERTYPE_IS_MUNICIPALITY</code>. In this example, <code>SELECT_LOTSIZE_WHERE</code> is the statement. <code>CATEGORY_IS_SOCIAL</code> is the first clause, and <code>STAKEHOLDERTYPE_IS_MUNICIPALITY</code> is the second clause. It would return all the land area taken up with social housing, which is also owned by a municipal [[stakeholder]]. | An example of a TQL select statement is: <code>SELECT_LOTSIZE_WHERE_CATEGORY_IS_SOCIAL_AND_STAKEHOLDERTYPE_IS_MUNICIPALITY</code>. In this example, <code>SELECT_LOTSIZE_WHERE</code> is the statement. <code>CATEGORY_IS_SOCIAL</code> is the first clause, and <code>STAKEHOLDERTYPE_IS_MUNICIPALITY</code> is the second clause. It would return all the land area taken up with social housing, which is also owned by a municipal [[stakeholder]]. | ||
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Revision as of 17:03, 16 February 2023
The SELECT
statement for TQL provides a means of obtaining data of a session.
The 'Select' statement is consists of the SELECT
word followed by a Selection type and the word WHERE
. Depending on the Selection Type one or more clauses can be added. Clauses are separated with the AND
word. All of these parts are separated by an underscore _
.
An example of a TQL select statement is: SELECT_LOTSIZE_WHERE_CATEGORY_IS_SOCIAL_AND_STAKEHOLDERTYPE_IS_MUNICIPALITY
. In this example, SELECT_LOTSIZE_WHERE
is the statement. CATEGORY_IS_SOCIAL
is the first clause, and STAKEHOLDERTYPE_IS_MUNICIPALITY
is the second clause. It would return all the land area taken up with social housing, which is also owned by a municipal stakeholder.
Select | Unit | Description | Fixed clause amount | Polygon based |
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