cmdtag.c File Reference

#include "postgres.h"
#include "miscadmin.h"
#include "tcop/cmdtag.h"
#include "tcop/cmdtaglist.h"

Include dependency graph for cmdtag.c:

Go to the source code of this file.

Data Structures
struct	CommandTagBehavior

Macros
#define	PG_CMDTAG(tag, name, evtrgok, rwrok, rowcnt)   { name, evtrgok, rwrok, rowcnt },

Typedefs
typedef struct CommandTagBehavior	CommandTagBehavior

Functions
void	InitializeQueryCompletion (QueryCompletion *qc)
const char *	GetCommandTagName (CommandTag commandTag)
bool	command_tag_display_rowcount (CommandTag commandTag)
bool	command_tag_event_trigger_ok (CommandTag commandTag)
bool	command_tag_table_rewrite_ok (CommandTag commandTag)
CommandTag	GetCommandTagEnum (const char *commandname)

Variables
const CommandTagBehavior	tag_behavior [COMMAND_TAG_NEXTTAG]

Macro Definition Documentation

PG_CMDTAG

#define PG_CMDTAG	(		tag,
			name,
			evtrgok,
			rwrok,
			rowcnt
	)		{ name, evtrgok, rwrok, rowcnt },

Definition at line 28 of file cmdtag.c.

Typedef Documentation

CommandTagBehavior

typedef struct CommandTagBehavior CommandTagBehavior

Function Documentation

command_tag_display_rowcount()

bool command_tag_display_rowcount

(

CommandTag

commandTag

)

Definition at line 51 of file cmdtag.c.

References CommandTagBehavior::display_rowcount.

Referenced by CopyQueryCompletion(), and EndCommand().

{
    return tag_behavior[commandTag].display_rowcount;
}

command_tag_event_trigger_ok()

bool command_tag_event_trigger_ok

(

CommandTag

commandTag

)

Definition at line 57 of file cmdtag.c.

References CommandTagBehavior::event_trigger_ok.

Referenced by CopyQueryCompletion(), EventTriggerCommonSetup(), and validate_ddl_tags().

{
    return tag_behavior[commandTag].event_trigger_ok;
}

command_tag_table_rewrite_ok()

bool command_tag_table_rewrite_ok

(

CommandTag

commandTag

)

Definition at line 63 of file cmdtag.c.

References CommandTagBehavior::table_rewrite_ok.

Referenced by CopyQueryCompletion(), EventTriggerCommonSetup(), and validate_table_rewrite_tags().

{
    return tag_behavior[commandTag].table_rewrite_ok;
}

GetCommandTagEnum()

CommandTag GetCommandTagEnum

(

const char *

commandname

)

Definition at line 74 of file cmdtag.c.

References lengthof, CommandTagBehavior::name, pg_strcasecmp(), and tag_behavior.

Referenced by CopyQueryCompletion(), DecodeTextArrayToBitmapset(), validate_ddl_tags(), and validate_table_rewrite_tags().

{
    const CommandTagBehavior *base,
               *last,
               *position;
    int         result;

    if (commandname == NULL || *commandname == '\0')
        return CMDTAG_UNKNOWN;

    base = tag_behavior;
    last = tag_behavior + lengthof(tag_behavior) - 1;
    while (last >= base)
    {
        position = base + ((last - base) >> 1);
        result = pg_strcasecmp(commandname, position->name);
        if (result == 0)
            return (CommandTag) (position - tag_behavior);
        else if (result < 0)
            last = position - 1;
        else
            base = position + 1;
    }
    return CMDTAG_UNKNOWN;
}

GetCommandTagName()

const char* GetCommandTagName

(

CommandTag

commandTag

)

Definition at line 45 of file cmdtag.c.

References CommandTagBehavior::name.

Referenced by CopyQueryCompletion(), CreateCommandName(), EndCommand(), EventTriggerCommonSetup(), exec_execute_message(), exec_simple_query(), interpret_AS_clause(), plperl_event_trigger_build_args(), plpgsql_fulfill_promise(), pltcl_event_trigger_handler(), SPI_cursor_open_internal(), and standard_ProcessUtility().

{
    return tag_behavior[commandTag].name;
}

InitializeQueryCompletion()

void InitializeQueryCompletion

(

QueryCompletion *

qc

)

Definition at line 38 of file cmdtag.c.

References QueryCompletion::commandTag, and QueryCompletion::nprocessed.

Referenced by _SPI_execute_plan(), CopyQueryCompletion(), FillPortalStore(), and PortalRun().

{
    qc->commandTag = CMDTAG_UNKNOWN;
    qc->nprocessed = 0;
}

Variable Documentation

tag_behavior

const CommandTagBehavior tag_behavior[COMMAND_TAG_NEXTTAG]

Definition at line 31 of file cmdtag.c.

Referenced by GetCommandTagEnum().