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体验新版 GitCode,发现更多精彩内容 >>
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39740d75
编写于
4月 04, 1998
作者:
T
Thomas G. Lockhart
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电子邮件补丁
差异文件
Clean up formatting.
Add more URL links for GiST information.
上级
e47e0e69
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
151 addition
and
20 deletion
+151
-20
doc/src/sgml/gist.sgml
doc/src/sgml/gist.sgml
+11
-0
doc/src/sgml/libpq.sgml
doc/src/sgml/libpq.sgml
+140
-20
未找到文件。
doc/src/sgml/gist.sgml
浏览文件 @
39740d75
...
@@ -10,6 +10,17 @@
...
@@ -10,6 +10,17 @@
</DocInfo>
</DocInfo>
<Title>GiST Indices</Title>
<Title>GiST Indices</Title>
<Para>
The information about GIST is at
<ULink url="http://GiST.CS.Berkeley.EDU:8000/gist/">http://GiST.CS.Berkeley.EDU:8000/gist/</ULink>
with more on different indexing and sorting schemes at
<ULink url="http://s2k-ftp.CS.Berkeley.EDU:8000/personal/jmh/">http://s2k-ftp.CS.Berkeley.EDU:8000/personal/jmh/</ULink>
And there is more interesting reading at the Berkely database site at
<ULink url="http://epoch.cs.berkeley.edu:8000/">http://epoch.cs.berkeley.edu:8000/</ULink>.
<Para>
<Para>
<Note>
<Note>
<Title>Author</Title>
<Title>Author</Title>
...
...
doc/src/sgml/libpq.sgml
浏览文件 @
39740d75
...
@@ -13,9 +13,9 @@
...
@@ -13,9 +13,9 @@
following directories:
following directories:
<ProgramListing>
<ProgramListing>
../src/test/regress
../src/test/regress
../src/test/examples
../src/test/examples
../src/bin/psql
../src/bin/psql
</ProgramListing>
</ProgramListing>
<Para>
<Para>
...
@@ -82,19 +82,21 @@
...
@@ -82,19 +82,21 @@
<ItemizedList>
<ItemizedList>
<ListItem>
<ListItem>
<Para>
<Para>
<Function>PQsetdb</Function>
<Function>PQsetdb
Login
</Function>
Makes a new connection to a backend.
Makes a new connection to a backend.
<ProgramListing>
<ProgramListing>
PGconn *PQsetdb(char *pghost,
PGconn *PQsetdbLogin(const char *pghost,
char *pgport,
const char *pgport,
char *pgoptions,
const char *pgoptions,
char *pgtty,
const char *pgtty,
char *dbName);
const char *dbName,
const char *login,
const char *pwd);
</ProgramListing>
</ProgramListing>
If any argument is NULL, then the corresponding
If any argument is NULL, then the corresponding
environment variable is checked. If the environment variable is also not set, then hardwired
environment variable is checked. If the environment variable is also not set, then hardwired
defaults are used.
defaults are used.
PQsetdb always returns a valid PGconn pointer.
PQsetdb
Login
always returns a valid PGconn pointer.
The PQstatus (see below) command should be called
The PQstatus (see below) command should be called
to ensure that a connection was properly made
to ensure that a connection was properly made
before queries are sent via the connection. <FileName>libpq</FileName>
before queries are sent via the connection. <FileName>libpq</FileName>
...
@@ -107,6 +109,51 @@ PGconn *PQsetdb(char *pghost,
...
@@ -107,6 +109,51 @@ PGconn *PQsetdb(char *pghost,
</Para>
</Para>
</ListItem>
</ListItem>
<ListItem>
<Para>
<Function>PQsetdb</Function>
Makes a new connection to a backend.
<ProgramListing>
PGconn *PQsetdb(char *pghost,
char *pgport,
char *pgoptions,
char *pgtty,
char *dbName);
</ProgramListing>
This is a macro that calls PQsetdbLogin() with null pointers
for the login and pwd parameters.
</Para>
</ListItem>
<ListItem>
<Para>
<Function>PQconndefaults</Function>
Returns the database name of the connection.
<ProgramListing>
PQconninfoOption *PQconndefaults(void)
struct PQconninfoOption
{
char *keyword; /* The keyword of the option */
char *environ; /* Fallback environment variable name */
char *compiled; /* Fallback compiled in default value */
char *val; /* Options value */
char *label; /* Label for field in connect dialog */
char *dispchar; /* Character to display for this field
in a connect dialog. Values are:
"" Display entered value as is
"*" Password field - hide value
"D" Debug options - don't
create a field by default */
int dispsize; /* Field size in characters for dialog */
};
</ProgramListing>
Returns the address of the connection options structure. This may
be used to determine all possible options and their current values.
</Para>
</ListItem>
<ListItem>
<ListItem>
<Para>
<Para>
<Function>PQdb</Function>
<Function>PQdb</Function>
...
@@ -345,7 +392,7 @@ Oid PQftype(PGresult *res,
...
@@ -345,7 +392,7 @@ Oid PQftype(PGresult *res,
field. Field indices start at 0.
field. Field indices start at 0.
<ProgramListing>
<ProgramListing>
int2 PQfsize(PGresult *res,
int2 PQfsize(PGresult *res,
int field_index);
int field_index);
</ProgramListing>
</ProgramListing>
</Para>
</Para>
</ListItem>
</ListItem>
...
@@ -374,6 +421,20 @@ char* PQgetvalue(PGresult *res,
...
@@ -374,6 +421,20 @@ char* PQgetvalue(PGresult *res,
</Para>
</Para>
</ListItem>
</ListItem>
<ListItem>
<Para>
<Function>PQgetisnull</Function>
Tests a field for a NULL entry.
<ProgramListing>
int PQgetisnull(PGresult *res,
int tup_num,
int field_num);
</ProgramListing>
This function returns 1 if the field contains a NULL, 0 if
it contains a known value..
</Para>
</ListItem>
<ListItem>
<ListItem>
<Para>
<Para>
<Function>PQgetlength</Function>
<Function>PQgetlength</Function>
...
@@ -384,8 +445,8 @@ char* PQgetvalue(PGresult *res,
...
@@ -384,8 +445,8 @@ char* PQgetvalue(PGresult *res,
less.
less.
<ProgramListing>
<ProgramListing>
int PQgetlength(PGresult *res,
int PQgetlength(PGresult *res,
int tup_num,
int tup_num,
int field_num);
int field_num);
</ProgramListing>
</ProgramListing>
</Para>
</Para>
</ListItem>
</ListItem>
...
@@ -401,6 +462,19 @@ char *PQcmdStatus(PGresult *res);
...
@@ -401,6 +462,19 @@ char *PQcmdStatus(PGresult *res);
</Para>
</Para>
</ListItem>
</ListItem>
<ListItem>
<Para>
<Function>PQcmdTuples</Function>
Returns the number of rows affected by the last command.
<ProgramListing>
const char *PQcmdTuples(PGresult *res);
</ProgramListing>
If the last command was INSERT, UPDATE or DELETE, this returns
a string containing the number of rows affected. If the last
command was anything else, it returns the empty string.
</Para>
</ListItem>
<ListItem>
<ListItem>
<Para>
<Para>
<Function>PQoidStatus</Function>
<Function>PQoidStatus</Function>
...
@@ -413,6 +487,35 @@ char* PQoidStatus(PGresult *res);
...
@@ -413,6 +487,35 @@ char* PQoidStatus(PGresult *res);
</Para>
</Para>
</ListItem>
</ListItem>
<ListItem>
<Para>
<Function>PQprint</Function>
Prints out all the tuples and, optionally, the
attribute names to the specified output stream.
<ProgramListing>
void PQprint(FILE* fout, /* output stream */
PGresult* res,
PQprintOpt* po);
struct _PQprintOpt
{
pqbool header; /* print output field headings and row count */
pqbool align; /* fill align the fields */
pqbool standard; /* old brain dead format */
pqbool html3; /* output html tables */
pqbool expanded; /* expand tables */
pqbool pager; /* use pager for output if needed */
char *fieldSep; /* field separator */
char *tableOpt; /* insert to HTML <table ...> */
char *caption; /* HTML <caption> */
char **fieldName; /* null terminated array of replacement field names */
};
</ProgramListing>
This funtion is intended to replace PQprintTuples(), which is
now obsolete.
</Para>
</ListItem>
<ListItem>
<ListItem>
<Para>
<Para>
<Function>PQprintTuples</Function>
<Function>PQprintTuples</Function>
...
@@ -420,14 +523,31 @@ char* PQoidStatus(PGresult *res);
...
@@ -420,14 +523,31 @@ char* PQoidStatus(PGresult *res);
attribute names to the specified output stream.
attribute names to the specified output stream.
The programs psql and monitor both use PQprintTuples for output.
The programs psql and monitor both use PQprintTuples for output.
<ProgramListing>
<ProgramListing>
void PQprintTuples(
void PQprintTuples(PGresult* res,
FILE* fout, /* output stream */
int printAttName,/* print attribute names or not*/
int terseOutput, /* delimiter bars or not?*/
int width); /* width of column, variable width if 0*/
</ProgramListing>
</Para>
</ListItem>
<ListItem>
<Para>
<Function>PQdisplayTuples</Function>
Prints out all the tuples and, optionally, the
attribute names to the specified output stream.
<ProgramListing>
void PQdisplayTuples(
PGresult* res,
PGresult* res,
FILE* fout, /* output stream */
FILE* fout,
/* output stream */
int
printAttName,/* print attribute names or not
*/
int
fillAlign, /* space fill to align columns
*/
int terseOutput, /* delimiter bars or not?
*/
const char *fieldSep, /* field separator
*/
int width /* width of column, variable width if 0
*/
int printHeader, /* display headers?
*/
);
int quiet); /* suppress print of row count at end */
</ProgramListing>
</ProgramListing>
PQdisplayTuples() was intended to supersede PQprintTuples(), and
is in turn superseded by PQprint().
</Para>
</Para>
</ListItem>
</ListItem>
<ListItem>
<ListItem>
...
@@ -479,7 +599,7 @@ typedef struct {
...
@@ -479,7 +599,7 @@ typedef struct {
int isint;
int isint;
union {
union {
int *ptr;
int *ptr;
int integer;
int integer;
} u;
} u;
} PQArgBlock;
} PQArgBlock;
</ProgramListing>
</ProgramListing>
...
...
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