| 1 | <HTML
|
|---|
| 2 | ><HEAD
|
|---|
| 3 | ><TITLE
|
|---|
| 4 | >ifx_query</TITLE
|
|---|
| 5 | ><META
|
|---|
| 6 | NAME="GENERATOR"
|
|---|
| 7 | CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
|
|---|
| 8 | REL="HOME"
|
|---|
| 9 | TITLE="Manuál PHP"
|
|---|
| 10 | HREF="index.html"><LINK
|
|---|
| 11 | REL="UP"
|
|---|
| 12 | TITLE="Informix functions"
|
|---|
| 13 | HREF="ref.ifx.html"><LINK
|
|---|
| 14 | REL="PREVIOUS"
|
|---|
| 15 | TITLE="ifx_prepare"
|
|---|
| 16 | HREF="function.ifx-prepare.html"><LINK
|
|---|
| 17 | REL="NEXT"
|
|---|
| 18 | TITLE="ifx_textasvarchar"
|
|---|
| 19 | HREF="function.ifx-textasvarchar.html"><META
|
|---|
| 20 | HTTP-EQUIV="Content-type"
|
|---|
| 21 | CONTENT="text/html; charset=ISO-8859-2"></HEAD
|
|---|
| 22 | ><BODY
|
|---|
| 23 | CLASS="refentry"
|
|---|
| 24 | BGCOLOR="#FFFFFF"
|
|---|
| 25 | TEXT="#000000"
|
|---|
| 26 | LINK="#0000FF"
|
|---|
| 27 | VLINK="#840084"
|
|---|
| 28 | ALINK="#0000FF"
|
|---|
| 29 | ><DIV
|
|---|
| 30 | CLASS="NAVHEADER"
|
|---|
| 31 | ><TABLE
|
|---|
| 32 | SUMMARY="Header navigation table"
|
|---|
| 33 | WIDTH="100%"
|
|---|
| 34 | BORDER="0"
|
|---|
| 35 | CELLPADDING="0"
|
|---|
| 36 | CELLSPACING="0"
|
|---|
| 37 | ><TR
|
|---|
| 38 | ><TH
|
|---|
| 39 | COLSPAN="3"
|
|---|
| 40 | ALIGN="center"
|
|---|
| 41 | >Manuál PHP</TH
|
|---|
| 42 | ></TR
|
|---|
| 43 | ><TR
|
|---|
| 44 | ><TD
|
|---|
| 45 | WIDTH="10%"
|
|---|
| 46 | ALIGN="left"
|
|---|
| 47 | VALIGN="bottom"
|
|---|
| 48 | ><A
|
|---|
| 49 | HREF="function.ifx-prepare.html"
|
|---|
| 50 | ACCESSKEY="P"
|
|---|
| 51 | >Pøedcházející</A
|
|---|
| 52 | ></TD
|
|---|
| 53 | ><TD
|
|---|
| 54 | WIDTH="80%"
|
|---|
| 55 | ALIGN="center"
|
|---|
| 56 | VALIGN="bottom"
|
|---|
| 57 | ></TD
|
|---|
| 58 | ><TD
|
|---|
| 59 | WIDTH="10%"
|
|---|
| 60 | ALIGN="right"
|
|---|
| 61 | VALIGN="bottom"
|
|---|
| 62 | ><A
|
|---|
| 63 | HREF="function.ifx-textasvarchar.html"
|
|---|
| 64 | ACCESSKEY="N"
|
|---|
| 65 | >Dal¹í</A
|
|---|
| 66 | ></TD
|
|---|
| 67 | ></TR
|
|---|
| 68 | ></TABLE
|
|---|
| 69 | ><HR
|
|---|
| 70 | ALIGN="LEFT"
|
|---|
| 71 | WIDTH="100%"></DIV
|
|---|
| 72 | ><H1
|
|---|
| 73 | ><A
|
|---|
| 74 | NAME="function.ifx-query"
|
|---|
| 75 | ></A
|
|---|
| 76 | >ifx_query</H1
|
|---|
| 77 | ><DIV
|
|---|
| 78 | CLASS="refnamediv"
|
|---|
| 79 | ><A
|
|---|
| 80 | NAME="AEN36233"
|
|---|
| 81 | ></A
|
|---|
| 82 | ><P
|
|---|
| 83 | > (PHP 3>= 3.0.3, PHP 4 )</P
|
|---|
| 84 | >ifx_query -- Send Informix query</DIV
|
|---|
| 85 | ><DIV
|
|---|
| 86 | CLASS="refsect1"
|
|---|
| 87 | ><A
|
|---|
| 88 | NAME="AEN36236"
|
|---|
| 89 | ></A
|
|---|
| 90 | ><H2
|
|---|
| 91 | >Description</H2
|
|---|
| 92 | >int <B
|
|---|
| 93 | CLASS="methodname"
|
|---|
| 94 | >ifx_query</B
|
|---|
| 95 | > ( string query, int link_identifier [, int cursor_type [, mixed blobidarray]])<BR
|
|---|
| 96 | ></BR
|
|---|
| 97 | ><P
|
|---|
| 98 | >
|
|---|
| 99 | Returns: A positive Informix result identifier on success, or
|
|---|
| 100 | <TT
|
|---|
| 101 | CLASS="constant"
|
|---|
| 102 | ><B
|
|---|
| 103 | >FALSE</B
|
|---|
| 104 | ></TT
|
|---|
| 105 | > on error.
|
|---|
| 106 | </P
|
|---|
| 107 | ><P
|
|---|
| 108 | >
|
|---|
| 109 | A "result_id" resource used by other functions to retrieve the
|
|---|
| 110 | query results. Sets "affected_rows" for retrieval by the
|
|---|
| 111 | <A
|
|---|
| 112 | HREF="function.ifx-affected-rows.html"
|
|---|
| 113 | ><B
|
|---|
| 114 | CLASS="function"
|
|---|
| 115 | >ifx_affected_rows()</B
|
|---|
| 116 | ></A
|
|---|
| 117 | > function.
|
|---|
| 118 | </P
|
|---|
| 119 | ><P
|
|---|
| 120 | >
|
|---|
| 121 | <B
|
|---|
| 122 | CLASS="function"
|
|---|
| 123 | >ifx_query()</B
|
|---|
| 124 | > sends a query to the currently
|
|---|
| 125 | active database on the server that's associated with the
|
|---|
| 126 | specified link identifier.
|
|---|
| 127 | </P
|
|---|
| 128 | ><P
|
|---|
| 129 | > Executes <TT
|
|---|
| 130 | CLASS="parameter"
|
|---|
| 131 | ><I
|
|---|
| 132 | >query</I
|
|---|
| 133 | ></TT
|
|---|
| 134 | > on connection
|
|---|
| 135 | <TT
|
|---|
| 136 | CLASS="parameter"
|
|---|
| 137 | ><I
|
|---|
| 138 | >conn_id</I
|
|---|
| 139 | ></TT
|
|---|
| 140 | >. For "select-type" queries a
|
|---|
| 141 | cursor is declared and opened. The optional
|
|---|
| 142 | <TT
|
|---|
| 143 | CLASS="parameter"
|
|---|
| 144 | ><I
|
|---|
| 145 | >cursor_type</I
|
|---|
| 146 | ></TT
|
|---|
| 147 | > parameter allows you to make
|
|---|
| 148 | this a "scroll" and/or "hold" cursor. It's a bitmask and can be
|
|---|
| 149 | either IFX_SCROLL, IFX_HOLD, or both or'ed together. Non-select
|
|---|
| 150 | queries are "execute immediate". IFX_SCROLL and IFX_HOLD are
|
|---|
| 151 | symbolic constants and as such shouldn't be between quotes. I you
|
|---|
| 152 | omit this parameter the cursor is a normal sequential cursor.
|
|---|
| 153 | </P
|
|---|
| 154 | ><P
|
|---|
| 155 | > For either query type the number of (estimated or real) affected
|
|---|
| 156 | rows is saved for retrieval by
|
|---|
| 157 | <A
|
|---|
| 158 | HREF="function.ifx-affected-rows.html"
|
|---|
| 159 | ><B
|
|---|
| 160 | CLASS="function"
|
|---|
| 161 | >ifx_affected_rows()</B
|
|---|
| 162 | ></A
|
|---|
| 163 | >.
|
|---|
| 164 | </P
|
|---|
| 165 | ><P
|
|---|
| 166 | > If you have BLOB (BYTE or TEXT) columns in an update query, you
|
|---|
| 167 | can add a <TT
|
|---|
| 168 | CLASS="parameter"
|
|---|
| 169 | ><I
|
|---|
| 170 | >blobidarray</I
|
|---|
| 171 | ></TT
|
|---|
| 172 | > parameter containing
|
|---|
| 173 | the corresponding "blob ids", and you should replace those
|
|---|
| 174 | columns with a "?" in the query text.
|
|---|
| 175 | </P
|
|---|
| 176 | ><P
|
|---|
| 177 | > If the contents of the TEXT (or BYTE) column allow it, you can
|
|---|
| 178 | also use "ifx_textasvarchar(1)" and "ifx_byteasvarchar(1)". This
|
|---|
| 179 | allows you to treat TEXT (or BYTE) columns just as if they were
|
|---|
| 180 | ordinary (but long) VARCHAR columns for select queries, and you
|
|---|
| 181 | don't need to bother with blob id's.
|
|---|
| 182 | </P
|
|---|
| 183 | ><P
|
|---|
| 184 | > With ifx_textasvarchar(0) or ifx_byteasvarchar(0) (the default
|
|---|
| 185 | situation), select queries will return BLOB columns as blob id's
|
|---|
| 186 | (integer value). You can get the value of the blob as a string
|
|---|
| 187 | or file with the blob functions (see below).
|
|---|
| 188 | </P
|
|---|
| 189 | ><P
|
|---|
| 190 | > See also: <A
|
|---|
| 191 | HREF="function.ifx-connect.html"
|
|---|
| 192 | ><B
|
|---|
| 193 | CLASS="function"
|
|---|
| 194 | >ifx_connect()</B
|
|---|
| 195 | ></A
|
|---|
| 196 | >.
|
|---|
| 197 | <TABLE
|
|---|
| 198 | WIDTH="100%"
|
|---|
| 199 | BORDER="0"
|
|---|
| 200 | CELLPADDING="0"
|
|---|
| 201 | CELLSPACING="0"
|
|---|
| 202 | CLASS="EXAMPLE"
|
|---|
| 203 | ><TR
|
|---|
| 204 | ><TD
|
|---|
| 205 | ><DIV
|
|---|
| 206 | CLASS="example"
|
|---|
| 207 | ><A
|
|---|
| 208 | NAME="AEN36271"
|
|---|
| 209 | ></A
|
|---|
| 210 | ><P
|
|---|
| 211 | ><B
|
|---|
| 212 | >Pøíklad 1.
|
|---|
| 213 | Show all rows of the "orders" table as a html table
|
|---|
| 214 | </B
|
|---|
| 215 | ></P
|
|---|
| 216 | ><TABLE
|
|---|
| 217 | BORDER="0"
|
|---|
| 218 | BGCOLOR="#E0E0E0"
|
|---|
| 219 | CELLPADDING="5"
|
|---|
| 220 | ><TR
|
|---|
| 221 | ><TD
|
|---|
| 222 | ><PRE
|
|---|
| 223 | CLASS="php"
|
|---|
| 224 | >ifx_textasvarchar(1); // use "text mode" for blobs
|
|---|
| 225 | $res_id = ifx_query("select * from orders", $conn_id);
|
|---|
| 226 | if (! $res_id) {
|
|---|
| 227 | printf("Can't select orders : %s\n<br>%s<br>\n", ifx_error());
|
|---|
| 228 | ifx_errormsg();
|
|---|
| 229 | die;
|
|---|
| 230 | }
|
|---|
| 231 | ifx_htmltbl_result($res_id, "border=\"1\"");
|
|---|
| 232 | ifx_free_result($res_id);</PRE
|
|---|
| 233 | ></TD
|
|---|
| 234 | ></TR
|
|---|
| 235 | ></TABLE
|
|---|
| 236 | ></DIV
|
|---|
| 237 | ></TD
|
|---|
| 238 | ></TR
|
|---|
| 239 | ></TABLE
|
|---|
| 240 | >
|
|---|
| 241 | <TABLE
|
|---|
| 242 | WIDTH="100%"
|
|---|
| 243 | BORDER="0"
|
|---|
| 244 | CELLPADDING="0"
|
|---|
| 245 | CELLSPACING="0"
|
|---|
| 246 | CLASS="EXAMPLE"
|
|---|
| 247 | ><TR
|
|---|
| 248 | ><TD
|
|---|
| 249 | ><DIV
|
|---|
| 250 | CLASS="example"
|
|---|
| 251 | ><A
|
|---|
| 252 | NAME="AEN36274"
|
|---|
| 253 | ></A
|
|---|
| 254 | ><P
|
|---|
| 255 | ><B
|
|---|
| 256 | >Pøíklad 2. Insert some values into the "catalog" table</B
|
|---|
| 257 | ></P
|
|---|
| 258 | ><TABLE
|
|---|
| 259 | BORDER="0"
|
|---|
| 260 | BGCOLOR="#E0E0E0"
|
|---|
| 261 | CELLPADDING="5"
|
|---|
| 262 | ><TR
|
|---|
| 263 | ><TD
|
|---|
| 264 | ><PRE
|
|---|
| 265 | CLASS="php"
|
|---|
| 266 | >// create blob id's for a byte and text column
|
|---|
| 267 | $textid = ifx_create_blob(0, 0, "Text column in memory");
|
|---|
| 268 | $byteid = ifx_create_blob(1, 0, "Byte column in memory");
|
|---|
| 269 | // store blob id's in a blobid array
|
|---|
| 270 | $blobidarray[] = $textid;
|
|---|
| 271 | $blobidarray[] = $byteid;
|
|---|
| 272 | // launch query
|
|---|
| 273 | $query = "insert into catalog (stock_num, manu_code, " .
|
|---|
| 274 | "cat_descr,cat_picture) values(1,'HRO',?,?)";
|
|---|
| 275 | $res_id = ifx_query($query, $conn_id, $blobidarray);
|
|---|
| 276 | if (! $res_id) {
|
|---|
| 277 | ... error ...
|
|---|
| 278 | }
|
|---|
| 279 | // free result id
|
|---|
| 280 | ifx_free_result($res_id);</PRE
|
|---|
| 281 | ></TD
|
|---|
| 282 | ></TR
|
|---|
| 283 | ></TABLE
|
|---|
| 284 | ></DIV
|
|---|
| 285 | ></TD
|
|---|
| 286 | ></TR
|
|---|
| 287 | ></TABLE
|
|---|
| 288 | >
|
|---|
| 289 | </P
|
|---|
| 290 | ></DIV
|
|---|
| 291 | ><DIV
|
|---|
| 292 | CLASS="NAVFOOTER"
|
|---|
| 293 | ><HR
|
|---|
| 294 | ALIGN="LEFT"
|
|---|
| 295 | WIDTH="100%"><TABLE
|
|---|
| 296 | SUMMARY="Footer navigation table"
|
|---|
| 297 | WIDTH="100%"
|
|---|
| 298 | BORDER="0"
|
|---|
| 299 | CELLPADDING="0"
|
|---|
| 300 | CELLSPACING="0"
|
|---|
| 301 | ><TR
|
|---|
| 302 | ><TD
|
|---|
| 303 | WIDTH="33%"
|
|---|
| 304 | ALIGN="left"
|
|---|
| 305 | VALIGN="top"
|
|---|
| 306 | ><A
|
|---|
| 307 | HREF="function.ifx-prepare.html"
|
|---|
| 308 | ACCESSKEY="P"
|
|---|
| 309 | >Pøedcházející</A
|
|---|
| 310 | ></TD
|
|---|
| 311 | ><TD
|
|---|
| 312 | WIDTH="34%"
|
|---|
| 313 | ALIGN="center"
|
|---|
| 314 | VALIGN="top"
|
|---|
| 315 | ><A
|
|---|
| 316 | HREF="index.html"
|
|---|
| 317 | ACCESSKEY="H"
|
|---|
| 318 | >Domù</A
|
|---|
| 319 | ></TD
|
|---|
| 320 | ><TD
|
|---|
| 321 | WIDTH="33%"
|
|---|
| 322 | ALIGN="right"
|
|---|
| 323 | VALIGN="top"
|
|---|
| 324 | ><A
|
|---|
| 325 | HREF="function.ifx-textasvarchar.html"
|
|---|
| 326 | ACCESSKEY="N"
|
|---|
| 327 | >Dal¹í</A
|
|---|
| 328 | ></TD
|
|---|
| 329 | ></TR
|
|---|
| 330 | ><TR
|
|---|
| 331 | ><TD
|
|---|
| 332 | WIDTH="33%"
|
|---|
| 333 | ALIGN="left"
|
|---|
| 334 | VALIGN="top"
|
|---|
| 335 | >ifx_prepare</TD
|
|---|
| 336 | ><TD
|
|---|
| 337 | WIDTH="34%"
|
|---|
| 338 | ALIGN="center"
|
|---|
| 339 | VALIGN="top"
|
|---|
| 340 | ><A
|
|---|
| 341 | HREF="ref.ifx.html"
|
|---|
| 342 | ACCESSKEY="U"
|
|---|
| 343 | >Nahoru</A
|
|---|
| 344 | ></TD
|
|---|
| 345 | ><TD
|
|---|
| 346 | WIDTH="33%"
|
|---|
| 347 | ALIGN="right"
|
|---|
| 348 | VALIGN="top"
|
|---|
| 349 | >ifx_textasvarchar</TD
|
|---|
| 350 | ></TR
|
|---|
| 351 | ></TABLE
|
|---|
| 352 | ></DIV
|
|---|
| 353 | ></BODY
|
|---|
| 354 | ></HTML
|
|---|
| 355 | >
|
|---|
