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68 lines
1.7 KiB
68 lines
1.7 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================
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#ifndef IGCSQLQUERY_H
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#define IGCSQLQUERY_H
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#ifdef _WIN32
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#pragma once
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#endif
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// the type of the parameter
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enum EGCSQLType
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{
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k_EGCSQLTypeInvalid = -1,
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// Variable length types
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k_EGCSQLType_Blob,
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k_EGCSQLType_String,
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// fixed length types
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k_EGCSQLType_int8, // also uint8
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k_EGCSQLType_int16, // also uint16
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k_EGCSQLType_int32, // also uint32
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k_EGCSQLType_int64, // also uint64
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k_EGCSQLType_float,
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k_EGCSQLType_double,
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k_EGCSQLType_Binary, // raw binary data of fixed size (i.e. a C struct).
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k_EGCSQLType_Image,
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k_EGCSQLType_bool,
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};
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class IGCSQLResultSetList;
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class IGCSQLQuery
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{
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protected:
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// call Destroy() instead of deleting this object directly
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virtual ~IGCSQLQuery() {}
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public:
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// returns the number of statements in the transaction
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// represented by this query object
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virtual uint32 GetStatementCount() = 0;
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// returns a string that represents where in the GC this
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// query came from. Usually this is FILE_AND_LINE.
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virtual const char *PchName() = 0;
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// get the null-terminated query string itself
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virtual const char *PchCommand( uint32 unStatement ) = 0;
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// gets the parameter data
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virtual uint32 CnParams( uint32 unStatement ) = 0;
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virtual EGCSQLType EParamType( uint32 unStatement, uint32 uIndex ) = 0;
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virtual byte *PubParam( uint32 unStatement, uint32 uIndex ) = 0;
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virtual uint32 CubParam( uint32 unStatement, uint32 uIndex ) = 0;
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// reports the result
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virtual void SetResults( IGCSQLResultSetList *pResults ) = 0;
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};
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#endif // IGCSQLQUERY_H
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