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inventory; exact declared input types for operator classes","description":["currency amount"],"facts":[{"label":"Catalog name","value":"pg_catalog.money"},{"label":"Type OID","value":"790"},{"label":"Type kind","value":"Base type"},{"label":"Declared length","value":"8 bytes"},{"label":"Storage strategy","value":"plain"},{"label":"Input function","value":"cash_in"},{"label":"Output function","value":"cash_out"},{"label":"Documented declaration","value":"money"},{"label":"Storage Size","value":"8 bytes"},{"label":"Manual description","value":"currency amount"},{"label":"Range","value":"-92233720368547758.08 to +92233720368547758.07"}],"manual_documentation":"dedicated family chapter","manual_html":"\u003cdiv class=\"sect1\" id=\"DATATYPE-MONEY\"\u003e\n\u003cdiv class=\"titlepage\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"title\"\u003e8.2. Monetary Types \u003c/h2\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cp\u003eThe \u003ccode class=\"type\"\u003emoney\u003c/code\u003e type stores a currency amount with a fixed fractional precision; see \u003ca class=\"xref\" href=\"/docs/18/datatype-money.html#DATATYPE-MONEY-TABLE\" title=\"Table 8.3. Monetary Types\"\u003eTable 8.3\u003c/a\u003e. The fractional precision is determined by the database's \u003ca class=\"xref\" href=\"/docs/18/runtime-config-client.html#GUC-LC-MONETARY\"\u003elc_monetary\u003c/a\u003e setting. The range shown in the table assumes there are two fractional digits. Input is accepted in a variety of formats, including integer and floating-point literals, as well as typical currency formatting, such as \u003ccode class=\"literal\"\u003e'$1,000.00'\u003c/code\u003e. Output is generally in the latter form but depends on the locale.\u003c/p\u003e\n\u003cdiv class=\"table\" id=\"DATATYPE-MONEY-TABLE\"\u003e\n\u003cp class=\"title\"\u003e\u003cstrong\u003eTable 8.3. Monetary Types\u003c/strong\u003e\u003c/p\u003e\n\u003cdiv class=\"table-contents\"\u003e\n\u003ctable class=\"table\"\u003e\n\n\n\n\n\n\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eName\u003c/th\u003e\n\u003cth\u003eStorage Size\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003cth\u003eRange\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode class=\"type\"\u003emoney\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e8 bytes\u003c/td\u003e\n\u003ctd\u003ecurrency amount\u003c/td\u003e\n\u003ctd\u003e-92233720368547758.08 to +92233720368547758.07\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003c/div\u003e\n\u003c/div\u003e\u003cbr class=\"table-break\"\u003e\n\u003cp\u003eSince the output of this data type is locale-sensitive, it might not work to load \u003ccode class=\"type\"\u003emoney\u003c/code\u003e data into a database that has a different setting of \u003ccode class=\"varname\"\u003elc_monetary\u003c/code\u003e. To avoid problems, before restoring a dump into a new database make sure \u003ccode class=\"varname\"\u003elc_monetary\u003c/code\u003e has the same or equivalent value as in the database that was dumped.\u003c/p\u003e\n\u003cp\u003eValues of the \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003ccode class=\"type\"\u003eint\u003c/code\u003e, and \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e data types can be cast to \u003ccode class=\"type\"\u003emoney\u003c/code\u003e. Conversion from the \u003ccode class=\"type\"\u003ereal\u003c/code\u003e and \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e data types can be done by casting to \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e first, for example:\u003c/p\u003e\n\u003cpre class=\"programlisting\"\u003eSELECT '12.34'::float8::numeric::money;\n\u003c/pre\u003e\n\u003cp\u003eHowever, this is not recommended. Floating point numbers should not be used to handle money due to the potential for rounding errors.\u003c/p\u003e\n\u003cp\u003eA \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value can be cast to \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e without loss of precision. Conversion to other types could potentially lose precision, and must also be done in two stages:\u003c/p\u003e\n\u003cpre class=\"programlisting\"\u003eSELECT '52093.89'::money::numeric::float8;\n\u003c/pre\u003e\n\u003cp\u003eDivision of a \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value by an integer value is performed with truncation of the fractional part towards zero. To get a rounded result, divide by a floating-point value, or cast the \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value to \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e before dividing and back to \u003ccode class=\"type\"\u003emoney\u003c/code\u003e afterwards. (The latter is preferable to avoid risking precision loss.) When a \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value is divided by another \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value, the result is \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e (i.e., a pure number, not money); the currency units cancel each other out in the division.\u003c/p\u003e\n\u003c/div\u003e","manual_path":"datatype-money.html","operator_classes":[{"opcdefault":"t","opcfamily":"btree/money_ops","opcintype":"money","opckeytype":"0","opcmethod":"btree","opcname":"money_ops","opcnamespace":"pg_catalog","opcowner":"POSTGRES"}],"operators":[{"descr":"multiply","oid":"843","oprcanhash":"f","oprcanmerge":"f","oprcode":"cash_mul_flt4","oprcom":"*(float4,money)","oprjoin":"-","oprkind":"b","oprleft":"money","oprname":"*","oprnamespace":"pg_catalog","oprnegate":"0","oprowner":"POSTGRES","oprrest":"-","oprresult":"money","oprright":"float4"},{"descr":"divide","oid":"844","oprcanhash":"f","oprcanmerge":"f","oprcode":"cash_div_flt4","oprcom":"0","oprjoin":"-","oprkind":"b","oprleft":"money","oprname":"/","oprnamespace":"pg_catalog","oprnegate":"0","oprowner":"POSTGRES","oprrest":"-","oprresult":"money","oprright":"float4"},{"descr":"multiply","oid":"845","oprcanhash":"f","oprcanmerge":"f","oprcode":"flt4_mul_cash","oprcom":"*(money,float4)","oprjoin":"-","oprkind":"b","oprleft":"float4","oprname":"*","oprnamespace":"pg_catalog","oprnegate":"0","oprowner":"POSTGRES","oprrest":"-","oprresult":"money","oprright":"money"},{"descr":"equal","oid":"900","oprcanhash":"f","oprcanmerge":"t","oprcode":"cash_eq","oprcom":"=(money,money)","oprjoin":"eqjoinsel","oprkind":"b","oprleft":"money","oprname":"=","oprnamespace":"pg_catalog","oprnegate":"\u003c\u003e(money,money)","oprowner":"POSTGRES","oprrest":"eqsel","oprresult":"bool","oprright":"money"},{"descr":"not 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The fractional precision is determined by the database\u0026#39;s \u003ca href=\"/docs/18/runtime-config-client.html#GUC-LC-MONETARY\" rel=\"nofollow\"\u003elc_monetary\u003c/a\u003e setting. The range shown in the table assumes there are two fractional digits. Input is accepted in a variety of formats, including integer and floating-point literals, as well as typical currency formatting, such as \u003ccode\u003e\u0026#39;$1,000.00\u0026#39;\u003c/code\u003e. Output is generally in the latter form but depends on the locale.\u003c/p\u003e\n\u003cdiv id=\"DATATYPE-MONEY-TABLE\"\u003e\n\u003cp\u003e\u003cstrong\u003eTable 8.3. Monetary Types\u003c/strong\u003e\u003c/p\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\n\n\n\n\n\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eName\u003c/th\u003e\n\u003cth\u003eStorage Size\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003cth\u003eRange\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003emoney\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e8 bytes\u003c/td\u003e\n\u003ctd\u003ecurrency amount\u003c/td\u003e\n\u003ctd\u003e-92233720368547758.08 to +92233720368547758.07\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003c/div\u003e\n\u003c/div\u003e\u003cbr\u003e\n\u003cp\u003eSince the output of this data type is locale-sensitive, it might not work to load \u003ccode\u003emoney\u003c/code\u003e data into a database that has a different setting of \u003ccode\u003elc_monetary\u003c/code\u003e. To avoid problems, before restoring a dump into a new database make sure \u003ccode\u003elc_monetary\u003c/code\u003e has the same or equivalent value as in the database that was dumped.\u003c/p\u003e\n\u003cp\u003eValues of the \u003ccode\u003enumeric\u003c/code\u003e, \u003ccode\u003eint\u003c/code\u003e, and \u003ccode\u003ebigint\u003c/code\u003e data types can be cast to \u003ccode\u003emoney\u003c/code\u003e. Conversion from the \u003ccode\u003ereal\u003c/code\u003e and \u003ccode\u003edouble precision\u003c/code\u003e data types can be done by casting to \u003ccode\u003enumeric\u003c/code\u003e first, for example:\u003c/p\u003e\n\u003cpre\u003eSELECT \u0026#39;12.34\u0026#39;::float8::numeric::money;\n\u003c/pre\u003e\n\u003cp\u003eHowever, this is not recommended. Floating point numbers should not be used to handle money due to the potential for rounding errors.\u003c/p\u003e\n\u003cp\u003eA \u003ccode\u003emoney\u003c/code\u003e value can be cast to \u003ccode\u003enumeric\u003c/code\u003e without loss of precision. Conversion to other types could potentially lose precision, and must also be done in two stages:\u003c/p\u003e\n\u003cpre\u003eSELECT \u0026#39;52093.89\u0026#39;::money::numeric::float8;\n\u003c/pre\u003e\n\u003cp\u003eDivision of a \u003ccode\u003emoney\u003c/code\u003e value by an integer value is performed with truncation of the fractional part towards zero. To get a rounded result, divide by a floating-point value, or cast the \u003ccode\u003emoney\u003c/code\u003e value to \u003ccode\u003enumeric\u003c/code\u003e before dividing and back to \u003ccode\u003emoney\u003c/code\u003e afterwards. (The latter is preferable to avoid risking precision loss.) When a \u003ccode\u003emoney\u003c/code\u003e value is divided by another \u003ccode\u003emoney\u003c/code\u003e value, the result is \u003ccode\u003edouble precision\u003c/code\u003e (i.e., a pure number, not money); the currency units cancel each other out in the division.\u003c/p\u003e\n\u003c/div\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"d70a7ad39101032041c3462a42384c5df61761986fd341477c0232fbfae2ca3c","Payload":{"description":["currency amount"],"manual_html":"\u003cdiv class=\"sect1\" id=\"DATATYPE-MONEY\"\u003e\n\u003cdiv class=\"titlepage\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"title\"\u003e8.2. Monetary Types \u003c/h2\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cp\u003eThe \u003ccode class=\"type\"\u003emoney\u003c/code\u003e type stores a currency amount with a fixed fractional precision; see \u003ca class=\"xref\" href=\"/docs/18/datatype-money.html#DATATYPE-MONEY-TABLE\" title=\"Table 8.3. Monetary Types\"\u003eTable 8.3\u003c/a\u003e. The fractional precision is determined by the database's \u003ca class=\"xref\" href=\"/docs/18/runtime-config-client.html#GUC-LC-MONETARY\"\u003elc_monetary\u003c/a\u003e setting. The range shown in the table assumes there are two fractional digits. Input is accepted in a variety of formats, including integer and floating-point literals, as well as typical currency formatting, such as \u003ccode class=\"literal\"\u003e'$1,000.00'\u003c/code\u003e. Output is generally in the latter form but depends on the locale.\u003c/p\u003e\n\u003cdiv class=\"table\" id=\"DATATYPE-MONEY-TABLE\"\u003e\n\u003cp class=\"title\"\u003e\u003cstrong\u003eTable 8.3. Monetary Types\u003c/strong\u003e\u003c/p\u003e\n\u003cdiv class=\"table-contents\"\u003e\n\u003ctable class=\"table\"\u003e\n\n\n\n\n\n\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eName\u003c/th\u003e\n\u003cth\u003eStorage Size\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003cth\u003eRange\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode class=\"type\"\u003emoney\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e8 bytes\u003c/td\u003e\n\u003ctd\u003ecurrency amount\u003c/td\u003e\n\u003ctd\u003e-92233720368547758.08 to +92233720368547758.07\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003c/div\u003e\n\u003c/div\u003e\u003cbr class=\"table-break\"\u003e\n\u003cp\u003eSince the output of this data type is locale-sensitive, it might not work to load \u003ccode class=\"type\"\u003emoney\u003c/code\u003e data into a database that has a different setting of \u003ccode class=\"varname\"\u003elc_monetary\u003c/code\u003e. To avoid problems, before restoring a dump into a new database make sure \u003ccode class=\"varname\"\u003elc_monetary\u003c/code\u003e has the same or equivalent value as in the database that was dumped.\u003c/p\u003e\n\u003cp\u003eValues of the \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003ccode class=\"type\"\u003eint\u003c/code\u003e, and \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e data types can be cast to \u003ccode class=\"type\"\u003emoney\u003c/code\u003e. Conversion from the \u003ccode class=\"type\"\u003ereal\u003c/code\u003e and \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e data types can be done by casting to \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e first, for example:\u003c/p\u003e\n\u003cpre class=\"programlisting\"\u003eSELECT '12.34'::float8::numeric::money;\n\u003c/pre\u003e\n\u003cp\u003eHowever, this is not recommended. Floating point numbers should not be used to handle money due to the potential for rounding errors.\u003c/p\u003e\n\u003cp\u003eA \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value can be cast to \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e without loss of precision. Conversion to other types could potentially lose precision, and must also be done in two stages:\u003c/p\u003e\n\u003cpre class=\"programlisting\"\u003eSELECT '52093.89'::money::numeric::float8;\n\u003c/pre\u003e\n\u003cp\u003eDivision of a \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value by an integer value is performed with truncation of the fractional part towards zero. To get a rounded result, divide by a floating-point value, or cast the \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value to \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e before dividing and back to \u003ccode class=\"type\"\u003emoney\u003c/code\u003e afterwards. (The latter is preferable to avoid risking precision loss.) When a \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value is divided by another \u003ccode class=\"type\"\u003emoney\u003c/code\u003e value, the result is \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e (i.e., a pure number, not money); the currency units cancel each other out in the division.\u003c/p\u003e\n\u003c/div\u003e","related":[{"label":"pg_type catalog","url":"/wiki/catalog/pg_type/?v=18"},{"label":"pg_cast catalog","url":"/wiki/catalog/pg_cast/?v=18"},{"label":"pg_operator catalog","url":"/wiki/catalog/pg_operator/?v=18"},{"label":"pg_opclass catalog","url":"/wiki/catalog/pg_opclass/?v=18"},{"label":"Arrays","url":"/wiki/type/arrays/?v=18"},{"label":"btree index access method","url":"/wiki/indexam/btree/?v=18"}],"sections":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}