parse_param.h File Reference

#include "parser/parse_node.h"

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Functions
void	setup_parse_fixed_parameters (ParseState *pstate, const Oid *paramTypes, int numParams)
void	setup_parse_variable_parameters (ParseState *pstate, Oid **paramTypes, int *numParams)
void	check_variable_parameters (ParseState *pstate, Query *query)
bool	query_contains_extern_params (Query *query)

Function Documentation

check_variable_parameters()

void check_variable_parameters ( ParseState *  pstate, Query *  query  )

extern

Definition at line 269 of file parse_param.c.

{
    VarParamState *parstate = (VarParamState *) pstate->p_ref_hook_state;
 
    /* If numParams is zero then no Params were generated, so no work */
    if (*parstate->numParams > 0)
        (void) query_tree_walker(query,
                                 check_parameter_resolution_walker,
                                 pstate, 0);
}

References check_parameter_resolution_walker(), fb(), ParseState::p_ref_hook_state, and query_tree_walker.

Referenced by parse_analyze_varparams(), and transformExplainStmt().

query_contains_extern_params()

bool query_contains_extern_params ( Query *  query )

extern

Definition at line 331 of file parse_param.c.

{
    return query_tree_walker(query,
                             query_contains_extern_params_walker,
                             NULL, 0);
}

References fb(), query_contains_extern_params_walker(), and query_tree_walker.

Referenced by transformCreateTableAsStmt().

setup_parse_fixed_parameters()

void setup_parse_fixed_parameters ( ParseState *  pstate, const Oid *  paramTypes, int  numParams  )

extern

Definition at line 68 of file parse_param.c.

{
    FixedParamState *parstate = palloc_object(FixedParamState);
 
    parstate->paramTypes = paramTypes;
    parstate->numParams = numParams;
    pstate->p_ref_hook_state = parstate;
    pstate->p_paramref_hook = fixed_paramref_hook;
    /* no need to use p_coerce_param_hook */
}

References fb(), fixed_paramref_hook(), ParseState::p_paramref_hook, ParseState::p_ref_hook_state, and palloc_object.

Referenced by parse_analyze_fixedparams().

setup_parse_variable_parameters()

void setup_parse_variable_parameters ( ParseState *  pstate, Oid **  paramTypes, int *  numParams  )

extern

Definition at line 84 of file parse_param.c.

{
    VarParamState *parstate = palloc_object(VarParamState);
 
    parstate->paramTypes = paramTypes;
    parstate->numParams = numParams;
    pstate->p_ref_hook_state = parstate;
    pstate->p_paramref_hook = variable_paramref_hook;
    pstate->p_coerce_param_hook = variable_coerce_param_hook;
}

References fb(), ParseState::p_coerce_param_hook, ParseState::p_paramref_hook, ParseState::p_ref_hook_state, palloc_object, variable_coerce_param_hook(), and variable_paramref_hook().

Referenced by parse_analyze_varparams(), and transformExplainStmt().