|Convert||Converts a numeric value into a binary string in order to perform a search on a numeric key.|
|HAccelerateSpeed||Reorganizes the internal structure of the indexes to optimize the speed for accessing the data.|
|HActivateAutoFilter||Enables an automatic filter on the linked files when browsing an XML file.|
|HActivateFilter||Enables the filter that was previously created for the specified data file (view or query).|
|HActivateTrigger||Re-enables a trigger that was disabled by HDeactivateTrigger.|
- the record found in memory into the data file (query or view).
- the record found in a Record variable into the data file (query or view).
|HAlias||Creates a logical alias of data file (or query) or cancels all existing aliases.|
|HBackward||Moves backward several records from the current position in the data file, according to a specified item.|
|HBuildKeyValue||Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).|
|HBuildKeyValueANSI||Regardless of the platform used, the data saved in the HFSQL files is in ANSI format.|
|HCancelAlias||Cancels an alias that was declared beforehand by HAlias.|
|HCancelDeclaration||Allows you to: |
|HCancelSeek||Cancels the current search criterion.|
|HChangeConnection||Dynamically changes the connection associated with a data file.|
|HChangeDir||Modifies the access path to a data file (which means the directory where the file will be used).|
|HChangeKey||Changes the search key.|
|HChangeLocation||Modifies the search mode of physical data files (.FIC, .NDX, ...).|
|HChangeLogDir||Modifies the location of log files corresponding to a HFSQL data file.|
|HChangeName||Modifies the physical name of a data file.|
|HChangeRplDir||Modifies the location for the description of subscriber replica (RPL file).|
|HCheckIndex||Checks whether the data found in the index file (.NDX file) properly refers the data found in the data file (.FIC file).|
|HCheckMemo||Checks the structural integrity of memos in a HFSQL file.|
|HCheckStructure||Defines the mode for comparing data files.|
|HCheckUnaltered||Checks whether one or all records found in an unalterable data file have not been modified (with an hexadecimal editor for example).|
|HClose||Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.|
|HCloseAnalysis||Closes the current analysis.|
|HCloseConnection||Closes a connection to a database.|
|HCompareItem||Compares two values by sorting them according to the specified HFSQL index item: all the sort options specified for the item are taken into account (sensitivity to the case, to the punctuation, sort direction, Unicode language, ...).|
|HConnect||Redefines one or more connection parameters via Native Access (Access, SQL Server, MySQL or Oracle) or via an OLE DB access on a specific table or set of tables.|
|HConnectRemoteAccess||Opens an analysis in HFSQL Classic format via a remote access (this function is equivalent to the second syntax of HOpenAnalysis).|
|HConvertX||Converts a numeric value into a binary string in order to perform a search on a numeric key.|
- the content of current record (loaded in memory) into the current record of a data file.
- the content of Record variable into the current record of a data file.
|HCreateMasterReplica||Creates the description file of a Master Replica (logged replication or universal replication).|
|HCreateMoveableReplica||Creates a movable replication.|
|HCreateSubscriberReplica||Creates the description file of a subscriber replica.|
|HCreateView||Creates a HFSQL view. |
This function is using the former mechanism of views.
|HCreation||Creates an empty data file (".FIC" extension) with the index file and the memo file if necessary.|
|HCreationIfNotFound||Performs the following operations: |
- If the file does not exist, creates an empty data file (".FIC" file) with the index file and the memo file if necessary. The function is equivalent to HCreation.
- If the file exists, opens the file.
|HCross||Crosses a record in a data file.|
|HDBCreation||Ends the description of the structure of an xBase data file by programming.|
|HDBDescribeField||Describes by programming each item found in the structure of an xBase file described by HDBDescribeFile.|
|HDBDescribeFile||Describes a file in dBase3 format (most common format) by programming.|
|HDBDescribeIndex||Describes by programming the different index files that will be created.|
|HDBIndex||Opens an xBase index file.|
|HDBOpen||Opens the xBase data file and the "memo" file if it exists.|
|HDBOpenNoLock||In single-user mode, opens an xBase data file without locking it.|
|HDBSortType||Returns or modifies the sequence of text items in the xBase files.|
|HDeactivateAutoFilter||Disables an automatic filter on the linked files when browsing an XML file.|
|HDeactivateFilter||Temporarily disables the filter on a data file (view or query).|
|HDeactivateTrigger||Disables a trigger.|
|HDeclare||Declares a description of data file (found in an analysis) in the current project.|
|HDeclareExternal||Temporarily imports into the current analysis the description of a data file from an existing HFSQL data file.|
|HDelete||Deletes a record from a data file (query or view).|
|HDeleteAll||Deletes all records from a data file, a HFSQL view or a query.|
|HDeleteTrigger||Destroys a trigger.|
|HDeleteView||Destroys a view that was created beforehand. This function is using the former mechanism of views. |
|HDescribeConnection||Describes a new connection to an external database.|
|HDescribeFile||Describes a data file by programming.|
|HDescribeFullTextIndex||Describes a full-text index of data file created by programming.|
|HDescribeItem||Describes a file item by programming.|
|HDescribeLink||Describes a link between two data files by programming.|
|HDescribeTrigger||Adds or modifies a trigger on a HFSQL data file.|
|HDuplicateRecord||Duplicates the record read in a data file: the record found in memory is added into the data file (query or view).|
|HEndNoModif||Unlocks a file that was locked by the same program with HNoModif.|
|HError||Returns the number of the last error triggered by the HFSQL engine.|
|HErrorDuplicates||Used to check whether a duplicate error occurred.|
|HErrorInfo||Returns a detailed information about the last error triggered by the HFSQL engine.|
|HErrorIntegrity||Used to check whether an integrity error occurred.|
|HErrorLock||Used to check whether a lock error occurred.|
|HErrorModification||Allows to: |
- return the value of a field in a record during a change conflict.
- check if a change conflict has occurred.
|HErrorPassword||After the execution of a read or write function in a data file, used to find out whether an error caused by a wrong password occurred on this data file.|
|HErrorStatusModification||Returns the status of a record during a modification conflict.|
|HExecuteQuery||Declares a query created in the query editor to the HFSQL engine and runs this query.|
|HExecuteSQLQuery||Initializes a query written in SQL language and declares this query to the HFSQL engine.|
|HExecuteView||Runs a view that was created beforehand (can be used to refresh the view data for example). This function is using the former mechanism of views. |
|HExportCSV||Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.|
|HExportJSON||Exports the records found in a data file (HFSQL or OLE DB), view or query to a JSON file.|
|HExportXLS||Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).|
|HExportXML||Exports the records found in a data file (HFSQL or OLE DB), view or query to an XML file.|
|HExtractMemo||Extracts the content of a binary memo item from an HFSQL file, a query or an HFSQL view to a physical file (on disk).|
|HFileExist||Used to find out:|
- whether a file exists, which means whether it was physically created (HCreation or HCreationIfNotFound).
- whether a view or a query was defined.
|HFilter||Defines and enables a filter on a data file, view or query.|
|HFilterContains||Defines and enables a "Contains" filter on a data file, view or query. |
|HFilterIdentical||Defines and enables a filter used to find the exact value of a string item.|
|HFilterIncludedBetween||Defines and enables an "Included between" filter on a file, view or query.|
|HFilterStartsWith||Defines and enables a "Start with" filter on a file, view or query.|
|HFirst||Positions on the first record of a data file according to the specified search item.|
|HFlush||Forces the operating system of the computer where the data files are found to write data onto the disk.|
|HForward||Moves several records forward from the current position in the data file, according to a specified item.|
|HFound||Checks whether the current record corresponds to the current filter or to the current search.|
|HFree||Transforms the crossed records (HCross) into deleted records.|
|HFreePosition||Deletes a position saved by HSavePosition.|
|HFreeQuery||Free the resources of a query (after the call to HExecuteQuery or HExecuteSQLQuery).|
|HFTListWord||Lists the words of the current record that will be taken into account by the full-text indexing.|
|HGetCurrentPosition||Returns the approximate position of current record in the data file.|
|HHistoryModification||Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.|
|HImportHF55||Imports a Hyper File 5.5 file into a file in HFSQL Classic format.|
|HImportJSON||Imports a JSON file into a data file in HFSQL Classic format (data file described in the data model editor or declared by HDeclare, HDeclareExternal or HDescribeFile).|
|HImportText||Imports a Text file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile).|
|HImportXLS||Imports an XLS file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile).|
|HImportXML||Imports an XML file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor or declared by HDeclare, HDeclareExternal or HDescribeFile).|
|HIndex||Rebuilds the file index (".NDX" file).|
|HIndexingInProgress||Indicates that a reindex operation is currently performed on a HFSQL data file and returns the percentage of reindexing already performed.|
|HInfoAnalysis||Returns information about an analysis (WDD file).|
|HInfoFile||Returns the characteristics of a HFSQL Classic or Client/Server data file.|
|HInfoMemo||Returns the characteristics of binary and text memos.|
|HInfoReplica||Returns information about the specified replica.|
|HInitHF55||Used to access specific functions for managing xBase (or dBase) data if Native xBase Access supplied with WINDEV or WEBDEV 14 is not available.|
|HInitSubscriber||Initializes the range of automatic identifiers for the description file of subscriber replica (".RPL" extension).|
|HLast||Positions on the last file record according to a search item.|
|HLinkMemo||Used to associate a file with a binary memo item or to cancel the existing link between a file and a binary item.|
|HListAnalysis||Returns the list of WINDEV or WEBDEV analyses (in HFSQL Classic format) available in a given directory. |
|HListConnection||Returns the list of connections currently described in the application.|
|HListCustomFolder||Returns the list of custom-folders (also called groups) defined in the analysis. |
|HListFile||Returns the list of files:|
- found in the current analysis or in a specific analysis recognized by the HFSQL engine. The files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account.
- available on a connection via a native access or via an OLE DB driver.
- for a group of files defined in the data model editor.
|HListFullTextIndex||Returns the list of full-text indexes of a file (a query or a view) recognized by the HFSQL engine.|
|HListItem||Returns the list of items:|
- found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account.
- found in a Record variable.
|HListKey||Returns the list of keys found in a file (query or view) recognized by the HFSQL engine.|
|HListLink||Returns the list of links (Merise type) found in the current analysis or in a specific analysis.|
|HListProvider||Returns the list of OLE DB providers and/or the list of Native Accesses installed on the current computer.|
|HListQueryParameter||Returns the list of parameters for a query created in the query editor.|
|HListREP||Returns the list of assignments for the data files handled by the current application, which means the list of physical files corresponding to the files described in the analysis.|
|HListStopWord||Returns the list of stop words used by a full-text index.|
|HListSynonym||Returns the list of synonyms used by a full-text index.|
|HListTrigger||Returns the list of triggers applied to one or more HFSQL data files.|
|HLockFile||Locks a data file and restricts the access to this data file for all other sites or applications.|
|HLockRecNum||Locks a record and restricts the access to this record for all the other applications.|
|HLogInfo||Adds comments into the log when saving the logged operation.|
|HLogRecreate||Used to re-create an empty log.|
|HLogRestart||Restarts the log process on a file.|
|HLogStop||Stops the log process of a file.|
|HMergeView||Creates a HFSQL from two views created beforehand (HCreateView). This function is using the former mechanism of views. |
|HMigrateLinkedCompositeKey||Migrates the values of the linked composite keys coming from a file in Hyper File 5.5 format to the HFSQL Classic format.|
|HMode||Changes the mode and the method for locking data files.|
|HModify||Modifies the specified record or the record found in memory in the data file (query or view).|
|HModifyStructure||Used to update the structure of a HFSQL data file by performing an automatic data modification (also called data synchronization).|
|HNbRec||Returns the number of records in a file, a query or a HFSQL view: active records, crossed records, deleted records, etc.|
|HNext||Positions on next file record according to a search item.|
|HNoModif||Forbids all the modifications on a data file (for all the programs, including the one that requested the no-modification policy).|
|HOnError||Customizes the management of HFSQL errors.|
|HOpen||Opens a data file.|
|HOpenAnalysis||Opens an analysis in HFSQL Classic format.|
|HOpenConnection||Opens a connection to a specific database.|
|HOptimize||Used to handle the idle periods of a software (period without processes) to optimize the queries and the browses that will be run thereafter.|
|HOptimizeQuery||Optimizes the Select queries by using idle times when handling an application (period without processes).|
|HOut||Used to find out whether the record on which you want to be positioned is located outside the data file, filter, view or query.|
|HPass||Defines the password used to create or open a data file.|
|HPost||Stores a unique computer number or identifier in order to use the log and transactions in network.|
|HPrepareQuery||Initializes a query and declares this query to the database server in order to optimize the next executions of this query.|
|HPrepareSQLQuery||Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.|
|HPrevious||Positions on the previous file record according to a browse item.|
|HRead||Reads a record in a file according to a given record number.|
|HReadFirst||Positions on the first file record according to a browse item.|
|HReadLast||Positions on the last file record according to a search item.|
|HReadNext||Positions on next file record according to a search item.|
|HReadPrevious||Positions on the previous file record according to a search item.|
|HReadSeek||Positions on the first file record whose value for a specific item is greater than or equal to a sought value (generic search).|
|HReadSeekFirst||Positions on the first file record whose value for a specific item is strictly equal to a sought value (exact-match search).|
|HReadSeekLast||Positions on the last file record whose value for a specific item is less than or equal to a sought value (exact-match search).|
- the number of the current record in the HFSQL data file.
- the number of the current record in the HFSQL view.
|HRecordDate||Returns the date and time of last write operation performed on a record found in a HFSQL file (Classic or Client/Server).|
|HRecordToJSON||Retrieves the structure and value of the current record and exports them into a string in JASON format.|
|HRecordToXML||Retrieves the structure and the value of the current record and exports them into a character string in XML format.|
|HRecreateSubscriberReplica||Re-creates the description file of a subscriber replica (universal replication only) according to the information of the master replica (.RPM and.SYN files).|
|HRefreshView||Asks to recalculate the content of a materialized view.|
|HRegenerateFile||Regenerates a data file from its log.|
- one or all variables of file items with their default values.
- one or all items of a Record variable with their default values.
|HRestorePosition||Restores the file context that was saved beforehand (HSavePosition): current record, filter, pointers.|
|HRetrieveItem||Returns the content of an item found in the current record (in the data file, view, query, ...).|
|HRetrieveRecord||Returns the content of the current record (in a file, a view or a query, ...).|
|HRplDeclareLink||Declares a (1, 1) (0, n) link between two tables.|
|HRplFilterProcedure||Defines the WLanguage procedure that will be called whenever a replication operation is performed on a specific file.|
|HRplManageFile||Defines the options used for the universal replication of a file: |
- the replication direction.
- the management mode of conflicts.
|HRplManageItem||Specifies the replication options for an item: the item can be replicated or not.|
|HRplPass||Defines the passwords used to protect the movable replicas for the universal replication.|
|HSave||Modifies the current record if it exists, otherwise adds a new record.|
|HSavePosition||Stores the current file context: current record, filter, pointers.|
|HSecurity||Enables or disables the automatic security mechanism on one or more data files.|
|HSeek||Positions on the first record of the data file whose value for a specific item is greater than or equal to a sought value (generic search by default).|
|HSeekFirst||Positions on the first file record whose value for a specific item is greater than or equal to a sought value.|
|HSeekLast||Positions on the last file record whose value for a specific item is less than or equal to a sought value.|
|HSetDuplicates||Enables or disables the management of duplicates on a unique key.|
|HSetIntegrity||Enables or disables the management of an integrity constraint on a file link.|
|HSetLog||Enables or disables the log management for a logged file.|
|HSetMemo||Used to modify the management mode of memo items.|
|HSetPosition||Positions on a record from the approximate position of one of its items.|
|HSetRemoteAccess||Temporarily disables the remote access in order to access HFSQL Classic data files found locally.|
|HSetREP||Enables or disables the management of .REP file.|
|HSetReplication||Temporarily disables (or re-enables) the replication.|
|HSetTransaction||Enables or disables the management of transactions for one or more files.|
|HSetTrigger||Enables or disables the management of triggers.|
|HSortView||Sorts a HFSQL view by creating an index on a view item. This function is using the former mechanism of views. |
|HStatCalculate||Performs various statistical calculations on the file keys.|
|HStatDate||Returns the date of the last update for the index statistics.|
|HState||Used to find out the record status.|
|HStatNbDuplicates||Returns the number of duplicates for a given key item.|
|HStatNbRec||Returns the number of entries for a given key item.|
|HStatNbRecRange||Returns an estimate regarding the number of entries for a given key item in a given interval of values.|
|HStatTime||Returns the time of the last update for the index statistics.|
|HSubstDir||Associates the data directory specified in the analysis with a directory found on disk.|
|HSynchronizeReplica||Synchronizes the master replica and the subscriber replica: the operations performed on one of the replicas are transferred into the other replica.|
|HToFile||Copies a data source (file, query, view, ...) to a physical HFSQL file with the same description. This file is neither encrypted nor password protected.|
|HToItem||Assigns the specified value to an item of the current record.|
|HTransaction||Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.|
|HTransactionCancel||If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.|
|HTransactionEnd||Validates the current transaction: |
- the modifications performed on the data file since the start of transaction (HTransactionStart) are validated.
- the transaction file is deleted (if the transaction is the last transaction in progress for a network application)
- the records locked in read-only by the transaction are unlocked.
|HTransactionFree||Transforms all the records "in transaction" into "Normal" records if these records do not belong to a transaction currently in progress.|
|HTransactionInterrupted||Used to find out whether a transaction was interrupted (the transaction was neither validated nor canceled).|
|HTransactionStart||Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the file of transactions.|
|HUnlockFile||Unlocks the records of a data file:|
- locked by HLockFile.
- individually locked by a locking read function.
|HUnlockRecNum||Unlocks a record that was locked by: |
- a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example).
|HVersion||Used to find out:|
- whether the content of a file was modified.
- whether the content of a file used by a query was modified.
|HViewToFile||Saves the modifications performed in a HFSQL view (by HModify, HDelete or HCross) in the corresponding data file. This function is using the former mechanism of views. |
|HWrite||Writes a record into a data file without updating the indexes corresponding to all keys used in the file.|
|WithSpace||Adds or deletes the spaces found on the right of a text item when reading it.|