makeGmSQLfromR: Parse an R expression of SQl statements
Description
makeGmSQLfromR parses an R expression
Usage
makeGmSQLfromR(EXPR,vars,warn=FALSE)
Value
Returns the names for the WHERE or ON clause.
Arguments
- EXPR
R expression of an SQL query.
- vars
A list of variables
- warn
A logical defining the handling of a possible occuring warning.
Author
K. Gerald van den Boogaart, S. Matos Camacho
Details
makeGmSQLfromR is an internal function, which is used for constructing WHERE clauses in SELECT statements or ON clauses in JOIN statements out of an R expression.