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d2l.c
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/*--------------------------------------------------------------------*/
/* d2ll.c - infers data type from literals in csv file */
/* author marco gessner */
/*--------------------------------------------------------------------*/
/* Compile like so:
gcc -O3 -fomit-frame-pointer -Wall -pedantic -std=c99 -D _GNU_SOURCE -o d2le d2le.c
*/
/*--------------------------------------------------------------------*/
/*------ Imported Modules --------------------------------------------*/
#define BUFLEN 131072
#define FIELDLEN 65536
#define MAXCOLS 1024
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#define max(a,b) ((a)>(b)?(a):(b))
#define min(a,b) ((a)<(b)?(a):(b))
typedef enum{
D2L_NOTYPE // 0
, D2L_NUMBER // 1
, D2L_STRING // 2
, D2L_NSTRING // 3
, D2L_DATE // 4
, D2L_DATETIME // 5
, D2L_TIMESTAMP // 6
, D2L_TIME // 7
, D2L_FLOAT // 8
, D2L_TIMESTAMPTZ // 9
, D2L_BOOLEAN //10
, D2L_UUID //11
} ColType;
struct _d2l_types {
int tpid;
char tpnm[16];
} d2l_types []= {
{D2L_NOTYPE , "D2L_NOTYPE" } // 0
, {D2L_NUMBER , "D2L_NUMBER" } // 1
, {D2L_STRING , "D2L_STRING" } // 2
, {D2L_NSTRING , "D2L_NSTRING" } // 3
, {D2L_DATE , "D2L_DATE" } // 4
, {D2L_DATETIME , "D2L_DATETIME" } // 5
, {D2L_TIMESTAMP , "D2L_TIMESTAMP" } // 6
, {D2L_TIME , "D2L_TIME" } // 7
, {D2L_FLOAT , "D2L_FLOAT" } // 8
, {D2L_TIMESTAMPTZ, "D2L_TIMESTAMPTZ" } // 9
, {D2L_BOOLEAN , "D2L_BOOLEAN" } //10
, {D2L_UUID , "D2L_UUID" } //11
} ;
char flName[512]="";
char dB[4];
char gColDel [sizeof(unsigned long long)]=",";
char gCharDel [sizeof(unsigned long long)]="";
char gRecDel [sizeof(unsigned long long)]="\n";
char gNullChar[sizeof(unsigned long long)]="";
char gDecPoint[sizeof(unsigned long long)]=".";
char numchars[32]="+-.0123456789";
int dateLen=0;
int withTitle=1;
int quotedIds=0;
int preferFloat=0;
int copy=0;
int cast=0;
int copycast=0;
int drp=0;
int external=0;
int debug=0;
int verbose=0;
int piped=0;
char getsbuf[16];
char stringlitbuf[FIELDLEN];
char buffer[BUFLEN];
char colbuf[MAXCOLS][FIELDLEN]; // array of MAXCOLS pointers to FIELDLEN characters each
long long nullcount [MAXCOLS]; // array of MAXCOLS NULL-value-found counters
unsigned int colCount=MAXCOLS;
unsigned int maxColCount=0;
ColType gThisType=D2L_NOTYPE;
ColType gColType[MAXCOLS];
int gColIsNull[MAXCOLS];
int gColIsNullable[MAXCOLS];
unsigned long long thisColLen=0;
unsigned long long thisColPrec=0;
unsigned long long thisColScale=0;
unsigned long long gColLen[MAXCOLS];
unsigned long long gColPrec[MAXCOLS];
unsigned long long gColScale[MAXCOLS];
int hasDeviantDecpoint[MAXCOLS];
char colName[MAXCOLS][128];
char colTypeName[MAXCOLS][128];
size_t readCount = 0 ;
static int Stricmp(char *s1, char* s2) {
size_t i=0;
while (s1[i] && s2[i] && toupper(s1[i])==toupper(s2[i])) {
i++;
}
if(toupper(s1[i])>toupper(s2[i])) return(1);
else if(toupper(s1[i])<toupper(s2[i])) return(-1);
else return(0);
}
static int Strnicmp(char *s1, char* s2, size_t len) {
size_t i=0;
while (i<len-1 && s1[i] && s2[i] && toupper(s1[i])==toupper(s2[i])) {
i++;
}
if(toupper(s1[i])>toupper(s2[i])) return(1);
else if(toupper(s1[i])<toupper(s2[i])) return(-1);
else return(0);
}
int ChangeStrDefault(char *s, char *def, unsigned int len) {
unsigned int i,j,cD; char *chrDel="'\"/";
if(*s==':'||*s=='=') s++;
for(cD=0;cD<3;cD++) if (s[0]==chrDel[cD]) break;
if(cD<3) s++;
j=0;
while(*s&& j<len) {
if(!Strnicmp(s,"TAB",3)) {
def[j]='\t';while(isalpha(*s)) s++; s--;
} else if(!Strnicmp(s,"COMMA",5)) {
def[j]=',';while(isalpha(*s)) s++; s--;
} else if(!Strnicmp(s,"SEMI",4)) {
def[j]=';';while(isalpha(*s)) s++; s--;
} else if(!Strnicmp(s,"APO",3)) {
def[j]='\'';while(isalpha(*s)) s++; s--;
} else if(!Strnicmp(s,"PIPE",4)) {
def[j]='|';while(isalpha(*s)) s++; s--;
} else if(!Strnicmp(s,"BAR",3)) {
def[j]='|';while(isalpha(*s)) s++; s--;
} else if(!Strnicmp(s,"QUOTE",5)) {
def[j]='\"';while(isalpha(*s)) s++; s--;
} else if(*s=='#') {
s++; def[j]=(unsigned char)atoi(s); while(isdigit(*s)) s++; s--;
} else if(*s=='x') {
s++; i=0;sscanf(s,"%x",&i);def[j]=(unsigned char)i;
while(isdigit(*s)|| (toupper(*s)>='A'&& toupper(*s)<='F')){s++;} s--;
} else if(*s=='\\') {
s++;
switch(*s) {
case 'b':def[j]='\b';break;
case 'f':def[j]='\f';break;
case 'n':def[j]='\n';break;
case 'r':def[j]='\r';break;
case 't':def[j]='\t';break;
case 'v':def[j]='\v';break;
case '\'':def[j]='\'';break;
case '\"':def[j]='\"';break;
case 'x': case 'X':
s++; i=0;sscanf(s,"%x",&i);def[j]=(unsigned char)i;
while(isdigit(*s)|| (toupper(*s)>='A'&& toupper(*s)<='F')){s++;} s--;
break;
default:def[j]=*s;break;
}
} else if(*s==chrDel[cD]) {
s++;
if(*s!=chrDel[cD]) break; else def[j]=*s;
} else {
def[j]=*s;
}
s++; j++;
}
def[j]=0;
return(0);
}
char *Replace(char *baseString, char *searchString, char *replaceString) {
char *cB, *cE;
int i;
for(cB=baseString;*cB;cB++) {
if(*cB==*searchString) {
i=0; cE=cB;
do {
cE++;i++;
if(searchString[i]=='*') {
while(searchString[i]=='*') { i++; }
while(*cE && *cE!=searchString[i]) { cE++; }
if(!*cE) break;
}
} while(*cE==searchString[i] && searchString[i]);
memmove(cE+strlen(replaceString)-(cE-cB), cE, strlen(cE)+1);
strncpy(cB,replaceString,min(strlen(replaceString),4));
}
}
return(baseString);
}
// static char *Strupr(char *in) {
// char *cp=in;
// while(*cp) {*cp=(char)toupper(*cp); cp++;} return(in);
// }
static char *Strlwr(char *in) {
char *cp=in;
while(*cp) {*cp=(char)tolower(*cp); cp++;} return(in);
}
static char *Trim(char *s) {
char *cp=s-1+strlen(s);
while(isspace(*cp) && cp>=s) {*cp=0; cp--;}
cp=s;while(isspace(*cp)) cp++;
memmove(s,cp,strlen(cp)+1);
return(s);
}
char *String2StringLiteral(char *t, char *s, char *charDel) {
char *cp;
int i,j;
cp=t;
if(!charDel[0])
return(s);
strcpy(t,charDel);
cp+=strlen(charDel);
for(i=0, j=0; s[i]; i++, j++) {
cp[j]=s[i];
if(cp[j]==charDel[0]) {
cp[++j]=charDel[0];
}
cp[j+1]=0;
}
strcpy(t+j+strlen(charDel),charDel);
return(t);
}
static char *QuoteString(char *id) {
strcpy(id,String2StringLiteral(stringlitbuf,id,"\""));
return(id);
}
unsigned int UnterminatedString(char *s, char *charDel) {
unsigned int isUnTerminated=0;
unsigned int iCharDel=*(unsigned int*)charDel;
while (*s) {
if( (unsigned int)*s++ == iCharDel ) {
isUnTerminated=!isUnTerminated;
}
}
return(isUnTerminated);
}
static char *Fgets(char *s, unsigned int n, FILE *f, char *charDel, char *recDel)
{
unsigned int iRecDel =*(unsigned int*)recDel;
unsigned int stdRecDel = (iRecDel == (unsigned int) '\n');
static char compareBuf[16]=""; /* 'rolling' compare buffer */
char *ret=s, *cp=s;
unsigned int i=0, len=0, unterminatedString=0;
int ch;
do {
if(stdRecDel) {
ret=fgets(cp,n-len,f);
} else {
i=0; len=(int)strlen(recDel)-1;
while((ch=fgetc(f))!=EOF && i<=n) {
/* add if (ch!= whatever) if you want to ignore chars */
s[i++]=(char)ch;
memmove(compareBuf,compareBuf+1,len+1); compareBuf[len]=(char)ch;
if(!strcmp(compareBuf,recDel)) break;
}
if(ch==EOF) ret=NULL;
strcpy(s+i-len,"\n");
if(i>(n-len)) {
fprintf(stderr,
"specified record delimiter never found in first %d bytes\n",
n);
ret=NULL;
}
}
unterminatedString = UnterminatedString(s,charDel);
if(ret && unterminatedString) {
while(*cp) cp++;
len=(unsigned int)(cp-s);
}
} while(ret && unterminatedString);
Trim(s);
if(strlen(s) >= BUFLEN) {
printf("no record delimiter found in max record length of %d bytes, \n", BUFLEN);
exit(4);
}
if(ret) ret=s;
return(ret);
}
static int GetStringN(char *t, char *s, char *colDel, char *charDel, char *recDel, size_t len)
{
unsigned long long p=0, q=0, quoted;
unsigned long long iCharDel =*(unsigned long long*)charDel;
char fieldEnd[3]={colDel[0],recDel[0],0};
quoted=(iCharDel && (unsigned long long)s[0]==iCharDel);
/* string is quoted if a char delimiter is set and
1st char of string is the char delimiter. */
if(!quoted) {
p=(unsigned long long)strcspn(s,fieldEnd);
strncpy(t,s,min(p,len));
if(p>len) return(-2); // return negative number if string truncated
return((int)min(p,len));
}
p++; // we are quoted here; move one forward; skip initial quote char
while(s[p] && quoted) {
if((unsigned long long)s[p] == iCharDel) { /* if quoted && chardel found */
if((unsigned long long)s[p+1] == iCharDel)
p++; /* if chardel doubled skip one */
else
quoted=0; /* else string is no longer quoted */
}
if(quoted) {
if(q<len) {
t[q++]=s[p];
} else {
return(-2);
}
}
p++;
}
t[q]='\0';
return(p);
}
static int GetColData(
char *buf
, char (*colbuf)[FIELDLEN]
, char *colDel
, char *charDel
, char *recDel
, char *nullChar
) {
int r;
unsigned long long i, pos=0;
unsigned long long iColDel =*(unsigned long long *)colDel;
unsigned long long iRecDel =*(unsigned long long *)recDel;
unsigned long long iNullChar =*(unsigned long long *)nullChar;
char *p=colbuf[0];
char typeName[16];
for(i=0; i<colCount; i++) {
// navigate to first non-space
while(isspace(buf[pos])&&(unsigned long long)buf[pos]!=iColDel) pos++;
gColIsNull[i]=0;
//determining the maximal column count
if(!buf[pos] && readCount <= 1 && colCount == MAXCOLS) {
colCount=i;
break;
}
// determine if it's a NULL field before parsing the following string
// a) we're pointing at the zero terminator
// b) we're pointing at the next column delimiter
// c) we're pointing at the record delimiter
// d) the null char is set and we're pointing at it
if((unsigned long long)buf[pos]==iColDel
|| (unsigned long long)buf[pos]==iRecDel
|| ( iNullChar && iNullChar == *(unsigned long long*) (buf+pos) )
) {
gColIsNull[i]= 1;r=0;
if(buf[pos]) {
pos++;
continue;
}
} else { // so not a NULL
p=colbuf[i];
memset(p,0,FIELDLEN);
strcpy(typeName, "string");
r=GetStringN(p, buf+pos, colDel, charDel, recDel, FIELDLEN-1);
if(r==0||strlen(p)==0) gColIsNull[i]=1;
}
if(r<0) {
fprintf(stderr,"%s(%llu)\t<%.*s...>\ncolumn %d, %s:",
flName, (unsigned long long)readCount, (int)min(30,strlen(buf)-1), buf, (int)i+1, colName[i]);
if(r==-1)
fprintf(stderr, " bad %s conversion\n",typeName);
else if(r==-2)
fprintf(stderr, " string truncation, source length %zd, buffer length %d\n", strlen(buf+pos), FIELDLEN-1);
return(-1);
} else {
pos+=r;
}
if((unsigned long long)buf[pos]==iColDel && buf[pos+1])pos++;
if(!!p) Trim(p);
}
return(0);
}
static int IsNumeric(ColType type) {
return (
type==D2L_NUMBER
||type==D2L_FLOAT
);
}
void Buildtypename(
ColType colType
,size_t colSize
,size_t colPrec
,size_t scale
,char *typename
) {
if(colType==D2L_NOTYPE) {
strcpy(typename,"VARCHAR(32)");
} else if(colType==D2L_BOOLEAN) {
strcpy(typename,"BOOLEAN");
} else if(colType==D2L_UUID) {
strcpy(typename,"UUID");
} else if(colType==D2L_FLOAT) {
strcpy(typename,"FLOAT");
} else if(colType==D2L_NUMBER && scale==0) {
if(colPrec<5) strcpy(typename,"SMALLINT");
else if(colPrec<10) strcpy(typename,"INTEGER");
else if(colPrec<19) strcpy(typename,"BIGINT");
else sprintf(typename,"NUMERIC(%lu)",colPrec);
} else if(colType==D2L_NUMBER) {
if(preferFloat && (int)scale > preferFloat) {
strcpy(typename,"FLOAT");
} else {
sprintf(typename,"NUMERIC(%lu,%lu)",colPrec+scale,scale);
}
} else if(colType==D2L_NSTRING) {
sprintf(typename,"%s(%lu)",colSize>=10?"NCHAR VARYING":"NCHAR", colSize);
} else if(colType==D2L_STRING) {
sprintf(typename,"%sCHAR(%lu)",colSize>=10?"VAR":"", colSize);
} else if(colType==D2L_DATE) {
strcpy(typename,"DATE");
} else if(colType==D2L_DATETIME) {
strcpy(typename,"TIMESTAMP(0)");
} else if(colType==D2L_TIMESTAMP) {
sprintf(typename,"TIMESTAMP(%lu)",scale);
} else if(colType==D2L_TIMESTAMPTZ) {
sprintf(typename,"TIMESTAMPTZ(%lu)",scale);
} else if(colType==D2L_TIME) {
if(!scale) strcpy(typename,"TIME");
else sprintf(typename,"TIME(%lu)",scale);
}
}
static int SIsAscii(char*s) {
int i;
for(i=0;!!s[i];i++) {
if(!isascii(s[i]))
return(0);
}
return(1);
}
#define setnumlen(l,s){int _i=0;char *_cp=(s);for(_i=0;_cp[_i]&&isdigit(_cp[_i]);_i++){}; l=_i;}
#define trimtrail0(s){int _i=strlen(s)-1;while(_i >=0 && s[_i]=='0') {s[_i]='\0';_i--;}};
ColType GetDataType(
char *s
, unsigned long long *colLen
, unsigned long long *colPrec
, unsigned long long *colScale
) {
unsigned long long thisType=D2L_NOTYPE, thisPrec=0, thisScale=0;
int dateLen=0;
*colLen=(unsigned long long)strlen(s);
if(!s[0]) {
thisType=D2L_STRING;
thisScale=thisPrec=0;
} else if (
!Stricmp(s,"t")
||!Stricmp(s,"f")
||!Stricmp(s,"true")
||!Stricmp(s,"false")
||!Stricmp(s,"yes")
||!Stricmp(s,"no")
) {
thisType=D2L_BOOLEAN;
thisScale=thisPrec=0;
} else if(!SIsAscii(s)) {
thisType=D2L_NSTRING;
} else if (
( isxdigit(s[ 0]) // x
&& isxdigit(s[ 1]) // x
&& isxdigit(s[ 2]) // x
&& isxdigit(s[ 3]) // x
&& isxdigit(s[ 4]) // x
&& isxdigit(s[ 5]) // x
&& isxdigit(s[ 6]) // x
&& isxdigit(s[ 7]) // x
&& '-' == s[ 8] // -
&& isxdigit(s[ 9]) // x
&& isxdigit(s[10]) // x
&& isxdigit(s[11]) // x
&& isxdigit(s[12]) // x
&& '-' == s[13] // -
&& isxdigit(s[14]) // x
&& isxdigit(s[15]) // x
&& isxdigit(s[16]) // x
&& isxdigit(s[17]) // x
&& '-' == s[18] // -
&& isxdigit(s[19]) // x
&& isxdigit(s[20]) // x
&& isxdigit(s[21]) // x
&& isxdigit(s[22]) // x
&& '-' == s[23] // -
&& isxdigit(s[24]) // x
&& isxdigit(s[25]) // x
&& isxdigit(s[26]) // x
&& isxdigit(s[27]) // x
&& isxdigit(s[28]) // x
&& isxdigit(s[29]) // x
&& isxdigit(s[30]) // x
&& isxdigit(s[31]) // x
&& isxdigit(s[32]) // x
&& isxdigit(s[33]) // x
&& isxdigit(s[34]) // x
&& isxdigit(s[35]) // x
&& ! s[36]
) || (
isxdigit(s[ 0]) // x
&& isxdigit(s[ 1]) // x
&& isxdigit(s[ 2]) // x
&& isxdigit(s[ 3]) // x
&& isxdigit(s[ 4]) // x
&& isxdigit(s[ 5]) // x
&& isxdigit(s[ 6]) // x
&& isxdigit(s[ 7]) // x
&& isxdigit(s[ 8]) // x
&& isxdigit(s[ 9]) // x
&& isxdigit(s[10]) // x
&& isxdigit(s[11]) // x
&& isxdigit(s[12]) // x
&& isxdigit(s[13]) // x
&& isxdigit(s[14]) // x
&& isxdigit(s[15]) // x
&& isxdigit(s[16]) // x
&& isxdigit(s[17]) // x
&& isxdigit(s[18]) // x
&& isxdigit(s[19]) // x
&& isxdigit(s[20]) // x
&& isxdigit(s[21]) // x
&& isxdigit(s[22]) // x
&& isxdigit(s[23]) // x
&& isxdigit(s[24]) // x
&& isxdigit(s[25]) // x
&& isxdigit(s[26]) // x
&& isxdigit(s[27]) // x
&& isxdigit(s[28]) // x
&& isxdigit(s[29]) // x
&& isxdigit(s[30]) // x
&& isxdigit(s[31]) // x
&& ! s[32]
)
) {
thisType=D2L_UUID;
thisScale=thisPrec=0;
} else if (
( isdigit(s[0]) // 0
&& isdigit(s[1]) // 0
&& isdigit(s[2]) // 0
&& isdigit(s[3]) // 0
&& ispunct(s[4]) // .
&& isdigit(s[5]) // 0
&& isdigit(s[6]) // 0
&& ispunct(s[7]) // .
&& isdigit(s[8]) // 0
&& isdigit(s[9]) // 0
&& !isdigit(s[10])
&& (dateLen=10)
) || (
isdigit(s[0]) // 0
&& ispunct(s[1]) // .
&& isdigit(s[2]) // 0
&& isdigit(s[3]) // 0
&& ispunct(s[4]) // .
&& isdigit(s[5]) // 0
&& isdigit(s[6]) // 0
&& isdigit(s[7]) // 0
&& isdigit(s[8]) // 0
&& !isdigit(s[9])
&& (dateLen=9)
) || (
isdigit(s[0]) // 0
&& isdigit(s[1]) // 0
&& ispunct(s[2]) // .
&& isdigit(s[3]) // 0
&& ispunct(s[4]) // .
&& isdigit(s[5]) // 0
&& isdigit(s[6]) // 0
&& isdigit(s[7]) // 0
&& isdigit(s[8]) // 0
&& !isdigit(s[9])
&& (dateLen=9)
) || (
isdigit(s[0]) // 0
&& ispunct(s[1]) // .
&& isdigit(s[2]) // 0
&& ispunct(s[3]) // .
&& isdigit(s[4]) // 0
&& isdigit(s[5]) // 0
&& isdigit(s[6]) // 0
&& isdigit(s[7]) // 0
&& !isdigit(s[8])
&& (dateLen=8)
) || (
isdigit(s[0]) // 0
&& isdigit(s[1]) // 0
&& ispunct(s[2]) // .
&& isdigit(s[3]) // 0
&& isdigit(s[4]) // 0
&& ispunct(s[5]) // .
&& isdigit(s[6]) // 0
&& isdigit(s[7]) // 0
&& isdigit(s[8]) // 0
&& isdigit(s[9]) // 0
&& !isdigit(s[10])
&& (dateLen=10)
) || (
isdigit(s[0]) // 0
&& isdigit(s[1]) // 1
&&!isdigit(s[2]) // -
&& isalpha(s[3]) // f
&& isalpha(s[4]) // e
&& isalpha(s[5]) // b
&&!isdigit(s[6]) // -
&& isdigit(s[7]) // 1
&& isdigit(s[8]) // 9
&& ( ( !isdigit(s[9]) && (dateLen=9) )
|| ( isdigit(s[9])&&isdigit(s[10])&&!isdigit(s[11])&&(dateLen=11 ) )
)
) || (
isdigit(s[0]) // 0
&& isdigit(s[1]) // 1
&&!isdigit(s[2]) // -
&& isalpha(s[3]) // j
&& isalpha(s[4]) // u
&& isalpha(s[5]) // n
&& isalpha(s[6]) // e
&&!isdigit(s[7]) // -
&& isdigit(s[8]) // 1
&& isdigit(s[9]) // 9
&& ( ( !isdigit(s[10]) && (dateLen=10) )
|| ( isdigit(s[10])&&isdigit(s[11])&&!isdigit(s[12])&&(dateLen=12 ) )
)
) || (
isdigit(s[ 0]) // 0
&& isdigit(s[ 1]) // 1
&&!isdigit(s[ 2]) // -
&& isalpha(s[ 3]) // a
&& isalpha(s[ 4]) // p
&& isalpha(s[ 5]) // r
&& isalpha(s[ 6]) // i
&& isalpha(s[ 7]) // l
&&!isdigit(s[ 8]) // -
&& isdigit(s[ 9]) // 1
&& isdigit(s[10]) // 9
&& ( ( !isdigit(s[11]) && (dateLen=11) )
|| ( isdigit(s[11])&&isdigit(s[12])&&!isdigit(s[13])&&(dateLen=13 ) )
)
) || (
isdigit(s[ 0]) // 0
&& isdigit(s[ 1]) // 1
&&!isdigit(s[ 2]) // -
&& isalpha(s[ 3]) // a
&& isalpha(s[ 4]) // u
&& isalpha(s[ 5]) // g
&& isalpha(s[ 6]) // u
&& isalpha(s[ 7]) // s
&& isalpha(s[ 8]) // t
&&!isdigit(s[ 9]) // -
&& isdigit(s[10]) // 1
&& isdigit(s[11]) // 9
&& ( ( !isdigit(s[12]) && (dateLen=12) )
|| ( isdigit(s[12])&&isdigit(s[13])&&!isdigit(s[14])&&(dateLen=14 ) )
)
) || (
isdigit(s[ 0]) // 0
&& isdigit(s[ 1]) // 1
&&!isdigit(s[ 2]) // -
&& isalpha(s[ 3]) // j
&& isalpha(s[ 4]) // a
&& isalpha(s[ 5]) // n
&& isalpha(s[ 6]) // u
&& isalpha(s[ 7]) // a
&& isalpha(s[ 8]) // r
&& isalpha(s[ 9]) // y
&&!isdigit(s[10]) // -
&& isdigit(s[11]) // 1
&& isdigit(s[12]) // 9
&& ( ( !isdigit(s[13]) && (dateLen=13) )
|| ( isdigit(s[13])&&isdigit(s[14])&&!isdigit(s[15])&&(dateLen=15 ) )
)
) || (
isdigit(s[ 0]) // 0
&& isdigit(s[ 1]) // 1
&&!isdigit(s[ 2]) // -
&& isalpha(s[ 3]) // n
&& isalpha(s[ 4]) // o
&& isalpha(s[ 5]) // v
&& isalpha(s[ 6]) // e
&& isalpha(s[ 7]) // m
&& isalpha(s[ 8]) // b
&& isalpha(s[ 9]) // e
&& isalpha(s[10]) // r
&&!isdigit(s[11]) // -
&& isdigit(s[12]) // 1
&& isdigit(s[13]) // 9
&& ( ( !isdigit(s[14]) && (dateLen=14) )
|| ( isdigit(s[14])&&isdigit(s[15])&&!isdigit(s[16])&&(dateLen=16 ) )
)
) || (
isdigit(s[ 0]) // 0
&& isdigit(s[ 1]) // 1
&&!isdigit(s[ 2]) // -
&& isalpha(s[ 3]) // s
&& isalpha(s[ 4]) // e
&& isalpha(s[ 5]) // p
&& isalpha(s[ 6]) // t
&& isalpha(s[ 7]) // e
&& isalpha(s[ 8]) // m
&& isalpha(s[ 9]) // b
&& isalpha(s[10]) // e
&& isalpha(s[11]) // r
&&!isdigit(s[12]) // -
&& isdigit(s[13]) // 1
&& isdigit(s[14]) // 9
&& ( ( !isdigit(s[15]) && (dateLen=15) )
|| ( isdigit(s[15])&&isdigit(s[16])&&!isdigit(s[17])&&(dateLen=17 ) )
)
)
) {
if(!s[dateLen]
||!strcmp(s+dateLen+1,"00:00:00")
||!strcmp(s+dateLen+1,"00:00:00.000")
||!strcmp(s+dateLen+1,"00:00:00.000000")
) {
thisType=D2L_DATE;
} else {
if(!s[dateLen]) {
thisType=D2L_DATE;
} else if (
(s[dateLen]==' '||toupper(s[dateLen])=='T')
&& isdigit(s[dateLen+1])
&& isdigit(s[dateLen+2])
&& ':' == s[dateLen+3]
&& isdigit(s[dateLen+4])
&& isdigit(s[dateLen+5])
&& (
(!s[dateLen+6]||toupper(s[dateLen+6])=='Z'||s[dateLen+6]=='.')
|| (!s[dateLen+9]||toupper(s[dateLen+9])=='Z'||s[dateLen+9]=='.')
)
) {
thisType=D2L_DATETIME;
if(toupper(s[dateLen+9])=='Z') {
s[dateLen+9]=0;
thisType=D2L_TIMESTAMPTZ;
} else if(s[dateLen+9]=='.') {
char *cq=s+dateLen+10;
thisScale=0;
while(isdigit(*cq)) {thisScale++;cq++;}
if((*cq=='+'||*cq=='-')
&& isdigit(cq[1])
&& isdigit(cq[2])
&& (
!isdigit(cq[3])
||( isdigit(cq[4]) && isdigit(cq[5]) )
)
) {
thisType=D2L_TIMESTAMPTZ;
*colScale=(unsigned long long)thisScale;
return(thisType);
} else {
trimtrail0(s);
setnumlen(thisScale,s+dateLen+1+9);
thisType=D2L_TIMESTAMP;
}
} else if(!strcmp(s+dateLen+1,"00:00:00")) {
thisType=D2L_DATE;
} else if (!strchr(s,'-') && !strchr(s,'+')) {
trimtrail0(s);
}
if(s[dateLen+1+9+thisScale]) {
if((s[thisScale+0]=='+'||s[thisScale+0]=='-')
&&isdigit(s[thisScale+1])
&&isdigit(s[thisScale+2])
&&(ispunct(s[thisScale+3]) || !s[thisScale+3])
) {
thisType=D2L_TIMESTAMPTZ;
} else if(s[dateLen+1+9]=='.') {
thisType=D2L_TIMESTAMP;
} else {
thisType=D2L_STRING;
thisScale=thisPrec=0;
}
}
}
}
} else if (
isdigit(s[ 0])
&& isdigit(s[ 1])
&& ':' == s[ 2]
&& isdigit(s[ 3])
&& isdigit(s[ 4])
&& ':' == s[ 5]
&& isdigit(s[ 6])
&& isdigit(s[ 7])
) {
thisType=D2L_TIME;
if(s[8]=='.') {
s=s+9;
trimtrail0(s);
setnumlen(thisScale,s);
if(s[thisScale])
thisType=D2L_STRING;
} else {
thisScale=0;
if(s[8])
thisType=D2L_STRING;
}
} else if (
strchr(numchars,s[0])
) {
char *t=s;
thisType=D2L_NUMBER;
if(strchr("+-",s[0])) {
if(isdigit(s[1])) {
s=s+1;
} else if(toupper(s[1])=='E' && isdigit(s[2]) && ( (! s[3]) || ( isdigit(s[3]) && ! s[4]) ) ) {
thisType=D2L_FLOAT;
thisPrec=thisScale=0;
return(thisType);
} else {
thisType=D2L_STRING;
thisPrec=thisScale=0;
}
}
setnumlen(thisPrec,s);
if(!s[thisPrec]) {
thisScale=0;
if(thisPrec==19 && atol(t)<=9223372036854775807) {
thisPrec=18;
}
} else {
if(s[thisPrec]==gDecPoint[0]) {
if(s[0]=='0' && s[1] && s[1] !=gDecPoint[0]) { // if the first character is a zero and not followed by a decimal point, it's not numeric
thisType=D2L_STRING;
thisPrec=thisScale=0;
} else {
s+=thisPrec+1;
if(thisPrec==0) {
thisPrec++;
}
if(!strchr(s,'e') && !strchr(s,'E')) {
trimtrail0(s);
}
if(!strcmp(s,"0")) *s=0;
setnumlen(thisScale,s);
if(thisPrec==19 && atol(t)<=9223372036854775807) {
thisPrec=18;
}
if(toupper(s[thisScale])=='E'
&&(s[thisScale+1] == '+'
||s[thisScale+1] == '-')
&&isdigit(s[thisScale+2])
&& (
! s[thisScale+3]
||( isdigit(s[thisScale+3])
&&!s[thisScale+4]
)
)
) {
thisType=D2L_FLOAT;
thisPrec=thisScale=0;
return(thisType);
}
if(s[thisScale]) {
int j;
for(j=0;s[thisScale+j]&&s[thisScale+j]=='0';j++);
if(s[thisScale+j]) {
thisType=D2L_STRING;
thisScale=thisPrec=0;
}
}
}
} else {
thisType=D2L_STRING;
thisScale=thisPrec=0;
}
}
} else {
thisType=D2L_STRING;
thisScale=thisPrec=0;
}
*colPrec =(unsigned long long)thisPrec ;
*colScale=(unsigned long long)thisScale;
return (thisType);
}
void DebugColumns(char (*colbuf)[FIELDLEN]) {
unsigned int i, max_sym_len=0;
for(i=0;i<colCount;i++) {
max_sym_len=max(max_sym_len,(unsigned int)strlen(colName[i])+1);
}
for(i=0;i<colCount;i++) {
printf("%-*s",max_sym_len,colName[i]);
printf(": ");
if(gColIsNull[i]) {
printf("(Null)");
} else {
printf("[ %s ]", colbuf[i]);
}
printf("\n");
fflush(stdout);
}
return;
}
int main(int argc, char**argv)
{
FILE *in=NULL;
char tbName[128]="";
char ctName[128]="";
char scName[128]="";
char ext[32];
unsigned int i=0;
char *bncp; // base name char pointer
char *ecp; // extension begin char pointer
char *cp; // generic char pointer
unsigned int maxNmLen,maxTpLen;
char buf[32];
size_t fpos=0, fsize=0, fportion=0, lineLen=0, estLineCount=0, posShown=0
, showLineCount=0, showNextLine=0; // variables for selecting lines to show
for(i=0;i<MAXCOLS;i++) {
sprintf(colName[i],"col%04d", i+1);
nullcount[i]=0;
}
if(argc<2){
printf(
"Deducts the data type and the column name from first line and following literals in a file.\n"
"Usage is %s [-coldel=<sep>] [-chardel=<chardel>] [-recdel=<recdel>] [-notitle][-debug[:<n>]] \\\n"
" [-copycast] [-copy] [-cast] [-drp] [-ext] [-tbname:<tbname>] [-verbose] <file name>|- [> outfile]\n"
"e. g. %s -coldel:(SEMI|COMMA|BAR|x7c|','),' -chardel:(APO|QUOTE) myfile.txt >myfile.ddl\n"
"The hyphen instead of <file name> means stdin and makes the default table name \"stdin\".\n"
"-coldel=<sep> is the column delimiter, defaulting to ',',\n"
" and, depending on infile extension: txt -> '\\t', csv -> ',', bsv -> '|', ssv -> ';'\n"
"-chardel=<sep> is the character/string delimiter, defaulting to empty string\n"
"-recdel=<sep> is the record delimiter, defaulting to '\\n'\n"
"-decpoint=<sep> is the decimal point, defaulting to '.'\n"
" <sep> can be: SEMI|COMMA|BAR|TAB|APO[STROPHE]|QUOTE or #<ascii number> or 'x<hex number>' or Unix literals like '\\t'\n"
"-txt ^=^ -coldeltab and -chardelquote;\n"
"-csv ^=^ rfc4180 compliant format: -coldelcomma and -chardelquote\n"
"-debug[:<number>] prints lines in an extended display format; with <number> specified, only <number> lines, not all\n"
"-notitle treats the first line as data, not column names\n"
"-quid switches generation of quoted identifiers on\n"
"-float[=<number] to prefer FLOATs over NUMERICs. No number or 0: always; else if more than scale of <number>.\n"
"-copycast adds a Vertica COPY statement, casting data correctly, to the output\n"
"-drp adds a DROP TABLE IF EXISTS statement before the CREATE TABLE statement\n"
"-ext generates a CREATE EXTERNAL TABLE IF NOT EXISTS statement.\n"
"-tbname:<tbname> uses <tbname> instead of the infile's basename as the table name\n"
"-sch:<schemaname> adds <schemaname> to qualify the table name\n"
"-cat:<catname> adds <catname> to qualify the table name\n"
"-verbose will show progress printing number of lines read to stderr\n"
"-colcount:<number> will parse exactly <number> columns, no matter how many columns in the first line.\n"
"author marco.gessner@vertica.com\n"
, argv[0], argv[0]);
return(-1);
}
for(i=1;argv[i]&&argv[i][0]=='-';i++) {
if(!Strnicmp(argv[i],"-coldel",7)) {
ChangeStrDefault(argv[i]+7,gColDel,sizeof(gColDel)-1);
} else if(!Strnicmp(argv[i],"-chardel=",7)) {
ChangeStrDefault(argv[i]+8,gCharDel,sizeof(gCharDel)-1);
} else if(!Strnicmp(argv[i],"-recdel=",6)) {
ChangeStrDefault(argv[i]+7,gRecDel,sizeof(gRecDel)-1);
if(!strcmp(gRecDel,gColDel)) {
printf("record delimiter '\\x%x' and column delimiter '\\x%x' must differ; exiting.\n",gRecDel[0],gColDel[0]);
exit(4);
}
} else if(!Strnicmp(argv[i],"-decpoint=",9)) {
ChangeStrDefault(argv[i]+9,gDecPoint,sizeof(gDecPoint)-1);
sprintf(numchars,"+-%s0123456789",gDecPoint);
} else if(!Strnicmp(argv[i],"-csv",4)) {
strcpy(gColDel,","); strcpy(gCharDel,"\"");
} else if(!Strnicmp(argv[i],"-txt",4)) {
strcpy(gColDel,"\t"); strcpy(gCharDel,"\"");
} else if(!Strnicmp(argv[i],"-nullchar",9)) {
ChangeStrDefault(argv[i]+10,gNullChar,sizeof(gNullChar)-1);
} else if(!Strnicmp(argv[i],"-tbname=",7)) {
cp=argv[i]+7;
while(isspace(*cp)||*cp=='='||*cp==':') cp++;
strncpy(tbName,cp,sizeof(tbName)-1);
} else if(!Strnicmp(argv[i],"-cat=",4)) {
cp=argv[i]+4;
while(isspace(*cp)||*cp=='='||*cp==':') cp++;
strncpy(ctName,cp,sizeof(ctName)-1);
} else if(!Strnicmp(argv[i],"-sch=",4)) {
cp=argv[i]+4;
while(isspace(*cp)||*cp=='='||*cp==':') cp++;
strncpy(scName,cp,sizeof(scName)-1);
} else if(!Strnicmp(argv[i],"-debug",6)) {
debug=1;
showLineCount=0;
if(argv[i][6]) {
ChangeStrDefault(argv[i]+6, buf, sizeof(buf)-1);
showLineCount=atoi(buf);
}