diff options
Diffstat (limited to 'sys/dbio/new/dbio.con')
| -rw-r--r-- | sys/dbio/new/dbio.con | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/sys/dbio/new/dbio.con b/sys/dbio/new/dbio.con new file mode 100644 index 00000000..9adc7d6c --- /dev/null +++ b/sys/dbio/new/dbio.con @@ -0,0 +1,202 @@ + IRAF Database I/O Design + Contents + + + +1. PREFACE + + 1.1 Scope of this Document + 1.2 Relationship to Previous Documents + + +2. INTRODUCTION + + 2.1 The Database Subsystem + 2.2 Major Subsystems + 2.3 Related Subsystems + + +3. REQUIREMENTS + + 3.1 General Requirements + 3.1.1 Portability + 3.1.2 Efficiency + 3.1.3 Code Size + 3.1.4 Use of Proprietary Software + + 3.2 Special Requirements + 3.2.1 Catalog Storage + 3.2.2 Image Storage + 3.2.3 Intermodule Communication + 3.2.4 Data Archiving + + 3.3 Other Requirements + 3.3.1 Concurrency + 3.3.2 Recovery + 3.3.3 Data Independence + 3.3.4 Host Database Interface + + +4. CONCEPTUAL DESIGN + + 4.1 Terminology + 4.2 System Architecture + + 4.3 The DBMS Package + 4.3.1 Overview + 4.3.2 Procedural Interface + 4.3.2.1 General Operators + 4.3.2.2 Form Based Data Entry and Retrieval + 4.3.2.3 List Interface + 4.3.2.4 FITS Table Interface + 4.3.2.5 Graphics Interface + 4.3.3 Command Language Interface + 4.3.4 Record Selection Syntax + 4.3.5 Query Language + 4.3.5.1 Query Language Functions + 4.3.5.2 Language Syntax + 4.3.5.3 Sample Queries + 4.3.6 DB Kernel Operators + 4.3.6.1 Dataset Copy and Load + 4.3.6.2 Rebuild Dataset + 4.3.6.3 Mount Foreign Dataset + 4.3.6.4 Crash Recovery + + 4.4 The IMIO Interface + 4.4.1 Overview + 4.4.2 Logical Schema + 4.4.2.1 Standard Fields + 4.4.2.2 History Text + 4.4.2.3 World Coordinates + 4.4.2.4 Histogram + 4.4.2.5 Bad Pixel List + 4.4.2.6 Region Mask + 4.4.3 Group Data + 4.4.4 Image I/O + 4.4.4.1 Image Templates + 4.4.4.2 Image Pixel Access + 4.4.4.3 Image Database Interface (IDBI) + 4.4.5 Summary of IMIO Data Structures + + 4.5 The DBIO Interface + 4.5.1 Overview + 4.5.2 Comparison of DBIO and Commercial Databases + 4.5.3 Query Language Interface + 4.5.4 Logical Schema + 4.5.4.1 Databases + 4.5.4.2 System Tables + 4.5.4.3 The System Catalog + 4.5.4.4 Relations + 4.5.4.5 Attributes + 4.5.4.6 Domains + 4.5.4.7 Groups + 4.5.4.8 Views + 4.5.4.9 Null Values + 4.5.5 Data Definition Language + 4.5.6 Record Select/Project Expressions + 4.5.6.1 Introduction + 4.5.6.2 Basic Syntax + 4.5.6.3 Examples + 4.5.6.4 Evaluation + 4.5.7 Operators + 4.5.7.1 General Operators + 4.5.7.2 Record Level Access + 4.5.7.3 Field Level Access + 4.5.7.4 Variable Length Fields + 4.5.7.5 IMIO Support + 4.5.8 Constructing Special Relational Operators + 4.5.9 Storage Structures + + 4.6 The DBKI Interface (DB Kernel Interface) + 4.6.1 Overview + 4.6.1.1 Default Kernel + 4.6.1.2 Host Database Interface + 4.6.1.3 Network Support + 4.6.2 Logical Schema + 4.6.2.1 System Tables + 4.6.2.2 User Tables + 4.6.2.3 Indexes + 4.6.2.4 Record Structure + 4.6.2 Database Management Operators + 4.6.2.1 Database Creation and Deletion + 4.6.2.2 Database Access + 4.6.2.3 Table Creation and Deletion + 4.6.2.4 Index Creation and Deletion + 4.6.3 Record Access Methods + 4.6.3.1 Direct Access via an Index + 4.6.3.2 Direct Access via the Record ID + 4.6.3.3 Sequential Access + 4.6.4 Record Access Operators + 4.6.4.1 Fetch + 4.6.4.2 Update + 4.6.4.3 Insert + 4.6.4.4 Delete + 4.6.4.5 Variable Length Fields + + 4.7 The DBK (IRAF DB Kernel) + 4.7.1 Overview + 4.7.2 Storage Structures + 4.7.2.1 Database + 4.7.2.2 System Catalog + 4.7.2.3 Table Storage + 4.7.3 The Control Interval + 4.7.3.1 Introduction + 4.7.3.2 Shared Intervals + 4.7.3.3 Private Intervals + 4.7.3.4 Record Insertion and Update + 4.7.3.5 Record Deletion + 4.7.3.6 Adding New Fields + 4.7.3.7 Array Storage + 4.7.3.8 Rebuilding a Dataset + 4.7.4 Indexes + 4.7.4.1 Nonindexed Tables + 4.7.4.2 Primary Index + 4.7.4.3 Secondary Indexes + 4.7.4.4 Key Compression + 4.7.5 Host Database Interface (HDBI) + 4.7.6 Concurrency + 4.7.7 Backup and Transport + 4.7.8 Accounting Services + 4.7.9 Crash Recovery + + +5. SPECIFICATIONS + + 5.1 DBMS Package + 5.1.1 Overview + 5.1.2 Module Specifications + + 5.2 IMIO Interface + 5.2.1 Overview + 5.2.2 Examples + 5.2.3 Module Specifications + 5.2.3.1 Image Header Access + 5.2.3.2 History Text + 5.2.3.3 World Coordinates + 5.2.3.4 Bad Pixel List + 5.2.3.5 Region Mask + 5.2.3.6 Pixel Access + 5.2.4 Storage Structures + 5.2.4.1 IRAF Runtime Format + 5.2.4.2 Archival Format + 5.2.4.3 Other Formats + + 5.3 DBIO (DataBase I/O interface) + 5.3.1 Overview + 5.3.2 Examples + 5.3.3 Module Specifications + + 5.4 DBKI (DB Kernel Interface) + 5.4.1 Overview + 5.4.3 Module Specifications + + 5.5. DBK (IRAF DB Kernel) + 5.5.1 Overview + 5.5.2 Storage Structures + 5.5.3 Error Recovery + 5.5.4 Concurrency + +6. SUMMARY + +Glossary +Index |