SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

SAS/ACCESS Interface for Informix 4 LIBNAME Statement Data Conversions 587To control how Informix handles SAS missing character values, use theNULLCHAR= and NULLCHARVAL= data set options.LIBNAME Statement Data ConversionsThis table shows the default formats that SAS/ACCESS Interface to Infomix assignsto SAS variables when using the LIBNAME statement to read from an Infomix table.These default formats are based on Infomix column attributes. To override thesedefault data types, use the DBTYPE= data set option on a specific data set.Table 19.3LIBNAME Statement: Default SAS Formats for Informix Data TypesInformix Column TypeDefault SAS FormatCHAR(n) $nDATEDATETIME**DECIMALDOUBLE PRECISIONFLOATINTEGERINT8 #DATE9.DATETIME24.5m+2.nnonenonenonenoneINTERVAL $nMONEYnoneNCHAR(n) $nNLS support requiredNUMERICnoneNVARCHAR(m,n)* $mNLS support requiredREALSERIALSERIAL8 #SMALLFLOATSMALLINTnonenonenonenonenoneTEXT* $nVARCHAR(m,n)* $m* Only supported by Informix online databases.# The precision of an INT8 or SERIAL8 is 15 digits.** If the Informix field qualifier specifies either HOUR, MINUTE, SECOND, or FRACTION as thelargest unit, the value is converted to a SAS TIME value. All other values—such as YEAR,MONTH, or DAY—are converted to a SAS DATETIME value.The following table shows the default Informix data types that SAS/ACCESS appliesto SAS variable formats during output operations when you use the LIBNAMEstatement.