Syntax Error

What This Error Means

This error occurs when the data type of a column specified in the CREATE INDEX statement does not match the index type specified.

Why It Happens

This error typically happens when a developer attempts to create an index with a specific type, but the column associated with that index has a different data type. For example, trying to create a spatial index on a column that is numeric in nature.

How to Fix It

1. 1To fix this error, the developer should ensure that the data type of the column matches the index type specified. In this case, the column 'latitude' should be of a spatial data type such as geography or geometry. Alternatively, the index type can be changed to a numeric type such as 'btree' or 'hash'.

Example Code Solution

CREATE INDEX idx_location ON locations (latitude) USING GIST;

CREATE INDEX idx_location ON locations (latitude) USING GIST::geography;